68690620

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{4153}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 144459504

約数和(自身を除く): 75768884

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 3308, 4135, 4153, 8270, 8306, 16540, 16612, 20765, 41530, 83060, 3434531, 6869062, 13738124, 17172655, 34345310, 68690620]

約数ペア:

[(1, 68690620), (2, 34345310), (4, 17172655), (5, 13738124), (10, 6869062), (20, 3434531), (827, 83060), (1654, 41530), (3308, 20765), (4135, 16612), (4153, 16540), (8270, 8306)]