201587560

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{3109}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 453997800

約数和(自身を除く): 252410240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3109, 3242, 6218, 6484, 8105, 12436, 12968, 15545, 16210, 24872, 31090, 32420, 62180, 64840, 124360, 5039689, 10079378, 20158756, 25198445, 40317512, 50396890, 100793780, 201587560]

約数ペア:

[(1, 201587560), (2, 100793780), (4, 50396890), (5, 40317512), (8, 25198445), (10, 20158756), (20, 10079378), (40, 5039689), (1621, 124360), (3109, 64840), (3242, 62180), (6218, 32420), (6484, 31090), (8105, 24872), (12436, 16210), (12968, 15545)]