101511640

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{4871}}^1$

素因数の和:5403

約数の個数: 32

約数和(自身を含む): 228886560

約数和(自身を除く): 127374920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 4871, 5210, 9742, 10420, 19484, 20840, 24355, 38968, 48710, 97420, 194840, 2537791, 5075582, 10151164, 12688955, 20302328, 25377910, 50755820, 101511640]

約数ペア:

[(1, 101511640), (2, 50755820), (4, 25377910), (5, 20302328), (8, 12688955), (10, 10151164), (20, 5075582), (40, 2537791), (521, 194840), (1042, 97420), (2084, 48710), (2605, 38968), (4168, 24355), (4871, 20840), (5210, 19484), (9742, 10420)]