20131356640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:741

約数の個数: 192

約数和(自身を含む): 50206661568

約数和(自身を除く): 30075304928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 107, 122, 148, 160, 185, 214, 244, 296, 305, 370, 428, 488, 521, 535, 592, 610, 740, 856, 976, 1042, 1070, 1184, 1220, 1480, 1712, 1952, 2084, 2140, 2257, 2440, 2605, 2960, 3424, 3959, 4168, 4280, 4514, 4880, 5210, 5920, 6527, 7918, 8336, 8560, 9028, 9760, 10420, 11285, 13054, 15836, 16672, 17120, 18056, 19277, 19795, 20840, 22570, 26108, 31672, 31781, 32635, 36112, 38554, 39590, 41680, 45140, 52216, 55747, 63344, 63562, 65270, 72224, 77108, 79180, 83360, 90280, 96385, 104432, 111494, 126688, 127124, 130540, 154216, 158360, 158905, 180560, 192770, 208864, 222988, 241499, 254248, 261080, 278735, 308432, 316720, 317810, 361120, 385540, 445976, 482998, 508496, 522160, 557470, 616864, 633440, 635620, 771080, 891952, 965996, 1016992, 1044320, 1114940, 1175897, 1207495, 1271240, 1542160, 1783904, 1931992, 2062639, 2229880, 2351794, 2414990, 2542480, 3084320, 3400567, 3863984, 4125278, 4459760, 4703588, 4829980, 5084960, 5879485, 6801134, 7727968, 8250556, 8919520, 9407176, 9659960, 10313195, 11758970, 13602268, 16501112, 17002835, 18814352, 19319920, 20626390, 23517940, 27204536, 33002224, 34005670, 37628704, 38639840, 41252780, 47035880, 54409072, 66004448, 68011340, 82505560, 94071760, 108818144, 125820979, 136022680, 165011120, 188143520, 251641958, 272045360, 330022240, 503283916, 544090720, 629104895, 1006567832, 1258209790, 2013135664, 2516419580, 4026271328, 5032839160, 10065678320, 20131356640]

約数ペア:

[(1, 20131356640), (2, 10065678320), (4, 5032839160), (5, 4026271328), (8, 2516419580), (10, 2013135664), (16, 1258209790), (20, 1006567832), (32, 629104895), (37, 544090720), (40, 503283916), (61, 330022240), (74, 272045360), (80, 251641958), (107, 188143520), (122, 165011120), (148, 136022680), (160, 125820979), (185, 108818144), (214, 94071760), (244, 82505560), (296, 68011340), (305, 66004448), (370, 54409072), (428, 47035880), (488, 41252780), (521, 38639840), (535, 37628704), (592, 34005670), (610, 33002224), (740, 27204536), (856, 23517940), (976, 20626390), (1042, 19319920), (1070, 18814352), (1184, 17002835), (1220, 16501112), (1480, 13602268), (1712, 11758970), (1952, 10313195), (2084, 9659960), (2140, 9407176), (2257, 8919520), (2440, 8250556), (2605, 7727968), (2960, 6801134), (3424, 5879485), (3959, 5084960), (4168, 4829980), (4280, 4703588), (4514, 4459760), (4880, 4125278), (5210, 3863984), (5920, 3400567), (6527, 3084320), (7918, 2542480), (8336, 2414990), (8560, 2351794), (9028, 2229880), (9760, 2062639), (10420, 1931992), (11285, 1783904), (13054, 1542160), (15836, 1271240), (16672, 1207495), (17120, 1175897), (18056, 1114940), (19277, 1044320), (19795, 1016992), (20840, 965996), (22570, 891952), (26108, 771080), (31672, 635620), (31781, 633440), (32635, 616864), (36112, 557470), (38554, 522160), (39590, 508496), (41680, 482998), (45140, 445976), (52216, 385540), (55747, 361120), (63344, 317810), (63562, 316720), (65270, 308432), (72224, 278735), (77108, 261080), (79180, 254248), (83360, 241499), (90280, 222988), (96385, 208864), (104432, 192770), (111494, 180560), (126688, 158905), (127124, 158360), (130540, 154216)]