56331320

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2137}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 126997200

約数和(自身を除く): 70665880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2137, 2636, 3295, 4274, 5272, 6590, 8548, 10685, 13180, 17096, 21370, 26360, 42740, 85480, 1408283, 2816566, 5633132, 7041415, 11266264, 14082830, 28165660, 56331320]

約数ペア:

[(1, 56331320), (2, 28165660), (4, 14082830), (5, 11266264), (8, 7041415), (10, 5633132), (20, 2816566), (40, 1408283), (659, 85480), (1318, 42740), (2137, 26360), (2636, 21370), (3295, 17096), (4274, 13180), (5272, 10685), (6590, 8548)]