20528068480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1\times {\mathrm{1571}}^1$

素因数の和:2808

約数の個数: 128

約数和(自身を含む): 52038041760

約数和(自身を除く): 31509973280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1201, 1360, 1571, 2176, 2402, 2720, 3142, 4804, 5440, 6005, 6284, 7855, 9608, 10880, 12010, 12568, 15710, 19216, 20417, 24020, 25136, 26707, 31420, 38432, 40834, 48040, 50272, 53414, 62840, 76864, 81668, 96080, 100544, 102085, 106828, 125680, 133535, 153728, 163336, 192160, 201088, 204170, 213656, 251360, 267070, 326672, 384320, 408340, 427312, 502720, 534140, 653344, 768640, 816680, 854624, 1005440, 1068280, 1306688, 1633360, 1709248, 1886771, 2136560, 2613376, 3266720, 3418496, 3773542, 4273120, 6533440, 7547084, 8546240, 9433855, 13066880, 15094168, 17092480, 18867710, 30188336, 32075107, 37735420, 60376672, 64150214, 75470840, 120753344, 128300428, 150941680, 160375535, 241506688, 256600856, 301883360, 320751070, 513201712, 603766720, 641502140, 1026403424, 1207533440, 1283004280, 2052806848, 2566008560, 4105613696, 5132017120, 10264034240, 20528068480]

約数ペア:

[(1, 20528068480), (2, 10264034240), (4, 5132017120), (5, 4105613696), (8, 2566008560), (10, 2052806848), (16, 1283004280), (17, 1207533440), (20, 1026403424), (32, 641502140), (34, 603766720), (40, 513201712), (64, 320751070), (68, 301883360), (80, 256600856), (85, 241506688), (128, 160375535), (136, 150941680), (160, 128300428), (170, 120753344), (272, 75470840), (320, 64150214), (340, 60376672), (544, 37735420), (640, 32075107), (680, 30188336), (1088, 18867710), (1201, 17092480), (1360, 15094168), (1571, 13066880), (2176, 9433855), (2402, 8546240), (2720, 7547084), (3142, 6533440), (4804, 4273120), (5440, 3773542), (6005, 3418496), (6284, 3266720), (7855, 2613376), (9608, 2136560), (10880, 1886771), (12010, 1709248), (12568, 1633360), (15710, 1306688), (19216, 1068280), (20417, 1005440), (24020, 854624), (25136, 816680), (26707, 768640), (31420, 653344), (38432, 534140), (40834, 502720), (48040, 427312), (50272, 408340), (53414, 384320), (62840, 326672), (76864, 267070), (81668, 251360), (96080, 213656), (100544, 204170), (102085, 201088), (106828, 192160), (125680, 163336), (133535, 153728)]