80788820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577063}}^1$

素因数の和:577079

約数の個数: 24

約数和(自身を含む): 193893504

約数和(自身を除く): 113104684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577063, 1154126, 2308252, 2885315, 4039441, 5770630, 8078882, 11541260, 16157764, 20197205, 40394410, 80788820]

約数ペア:

[(1, 80788820), (2, 40394410), (4, 20197205), (5, 16157764), (7, 11541260), (10, 8078882), (14, 5770630), (20, 4039441), (28, 2885315), (35, 2308252), (70, 1154126), (140, 577063)]