55135760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 137884032

約数和(自身を除く): 82748272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 571, 680, 710, 1136, 1142, 1207, 1360, 1420, 2284, 2414, 2840, 2855, 4568, 4828, 5680, 5710, 6035, 9136, 9656, 9707, 11420, 12070, 19312, 19414, 22840, 24140, 38828, 40541, 45680, 48280, 48535, 77656, 81082, 96560, 97070, 155312, 162164, 194140, 202705, 324328, 388280, 405410, 648656, 689197, 776560, 810820, 1378394, 1621640, 2756788, 3243280, 3445985, 5513576, 6891970, 11027152, 13783940, 27567880, 55135760]

約数ペア:

[(1, 55135760), (2, 27567880), (4, 13783940), (5, 11027152), (8, 6891970), (10, 5513576), (16, 3445985), (17, 3243280), (20, 2756788), (34, 1621640), (40, 1378394), (68, 810820), (71, 776560), (80, 689197), (85, 648656), (136, 405410), (142, 388280), (170, 324328), (272, 202705), (284, 194140), (340, 162164), (355, 155312), (568, 97070), (571, 96560), (680, 81082), (710, 77656), (1136, 48535), (1142, 48280), (1207, 45680), (1360, 40541), (1420, 38828), (2284, 24140), (2414, 22840), (2840, 19414), (2855, 19312), (4568, 12070), (4828, 11420), (5680, 9707), (5710, 9656), (6035, 9136)]