51757280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5303}}^1$

素因数の和:5379

約数の個数: 48

約数和(自身を含む): 124304544

約数和(自身を除く): 72547264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 5303, 9760, 10606, 21212, 26515, 42424, 53030, 84848, 106060, 169696, 212120, 323483, 424240, 646966, 848480, 1293932, 1617415, 2587864, 3234830, 5175728, 6469660, 10351456, 12939320, 25878640, 51757280]

約数ペア:

[(1, 51757280), (2, 25878640), (4, 12939320), (5, 10351456), (8, 6469660), (10, 5175728), (16, 3234830), (20, 2587864), (32, 1617415), (40, 1293932), (61, 848480), (80, 646966), (122, 424240), (160, 323483), (244, 212120), (305, 169696), (488, 106060), (610, 84848), (976, 53030), (1220, 42424), (1952, 26515), (2440, 21212), (4880, 10606), (5303, 9760)]