287668880

素因数分解:

$2^4\times 5^1\times {\mathrm{3595861}}^1$

素因数の和:3595874

約数の個数: 20

約数和(自身を含む): 668830332

約数和(自身を除く): 381161452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3595861, 7191722, 14383444, 17979305, 28766888, 35958610, 57533776, 71917220, 143834440, 287668880]

約数ペア:

[(1, 287668880), (2, 143834440), (4, 71917220), (5, 57533776), (8, 35958610), (10, 28766888), (16, 17979305), (20, 14383444), (40, 7191722), (80, 3595861)]