99804560

素因数分解:

$2^4\times 5^1\times {\mathrm{1247557}}^1$

素因数の和:1247570

約数の個数: 20

約数和(自身を含む): 232045788

約数和(自身を除く): 132241228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1247557, 2495114, 4990228, 6237785, 9980456, 12475570, 19960912, 24951140, 49902280, 99804560]

約数ペア:

[(1, 99804560), (2, 49902280), (4, 24951140), (5, 19960912), (8, 12475570), (10, 9980456), (16, 6237785), (20, 4990228), (40, 2495114), (80, 1247557)]