20631200

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 56105784

約数和(自身を除く): 35474584

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 41, 50, 68, 74, 80, 82, 85, 100, 136, 148, 160, 164, 170, 185, 200, 205, 272, 296, 328, 340, 370, 400, 410, 425, 544, 592, 629, 656, 680, 697, 740, 800, 820, 850, 925, 1025, 1184, 1258, 1312, 1360, 1394, 1480, 1517, 1640, 1700, 1850, 2050, 2516, 2720, 2788, 2960, 3034, 3145, 3280, 3400, 3485, 3700, 4100, 5032, 5576, 5920, 6068, 6290, 6560, 6800, 6970, 7400, 7585, 8200, 10064, 11152, 12136, 12580, 13600, 13940, 14800, 15170, 15725, 16400, 17425, 20128, 22304, 24272, 25160, 25789, 27880, 29600, 30340, 31450, 32800, 34850, 37925, 48544, 50320, 51578, 55760, 60680, 62900, 69700, 75850, 100640, 103156, 111520, 121360, 125800, 128945, 139400, 151700, 206312, 242720, 251600, 257890, 278800, 303400, 412624, 503200, 515780, 557600, 606800, 644725, 825248, 1031560, 1213600, 1289450, 2063120, 2578900, 4126240, 5157800, 10315600, 20631200]

約数ペア:

[(1, 20631200), (2, 10315600), (4, 5157800), (5, 4126240), (8, 2578900), (10, 2063120), (16, 1289450), (17, 1213600), (20, 1031560), (25, 825248), (32, 644725), (34, 606800), (37, 557600), (40, 515780), (41, 503200), (50, 412624), (68, 303400), (74, 278800), (80, 257890), (82, 251600), (85, 242720), (100, 206312), (136, 151700), (148, 139400), (160, 128945), (164, 125800), (170, 121360), (185, 111520), (200, 103156), (205, 100640), (272, 75850), (296, 69700), (328, 62900), (340, 60680), (370, 55760), (400, 51578), (410, 50320), (425, 48544), (544, 37925), (592, 34850), (629, 32800), (656, 31450), (680, 30340), (697, 29600), (740, 27880), (800, 25789), (820, 25160), (850, 24272), (925, 22304), (1025, 20128), (1184, 17425), (1258, 16400), (1312, 15725), (1360, 15170), (1394, 14800), (1480, 13940), (1517, 13600), (1640, 12580), (1700, 12136), (1850, 11152), (2050, 10064), (2516, 8200), (2720, 7585), (2788, 7400), (2960, 6970), (3034, 6800), (3145, 6560), (3280, 6290), (3400, 6068), (3485, 5920), (3700, 5576), (4100, 5032)]