10987640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8861}}^1$

素因数の和:8903

約数の個数: 32

約数和(自身を含む): 25522560

約数和(自身を除く): 14534920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 8861, 17722, 35444, 44305, 70888, 88610, 177220, 274691, 354440, 549382, 1098764, 1373455, 2197528, 2746910, 5493820, 10987640]

約数ペア:

[(1, 10987640), (2, 5493820), (4, 2746910), (5, 2197528), (8, 1373455), (10, 1098764), (20, 549382), (31, 354440), (40, 274691), (62, 177220), (124, 88610), (155, 70888), (248, 44305), (310, 35444), (620, 17722), (1240, 8861)]