68665780

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{3041}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 144373320

約数和(自身を除く): 75707540

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 3041, 4516, 5645, 6082, 11290, 12164, 15205, 22580, 30410, 60820, 3433289, 6866578, 13733156, 17166445, 34332890, 68665780]

約数ペア:

[(1, 68665780), (2, 34332890), (4, 17166445), (5, 13733156), (10, 6866578), (20, 3433289), (1129, 60820), (2258, 30410), (3041, 22580), (4516, 15205), (5645, 12164), (6082, 11290)]