68944240

素因数分解:

$2^4\times 5^1\times {\mathrm{861803}}^1$

素因数の和:861816

約数の個数: 20

約数和(自身を含む): 160295544

約数和(自身を除く): 91351304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 861803, 1723606, 3447212, 4309015, 6894424, 8618030, 13788848, 17236060, 34472120, 68944240]

約数ペア:

[(1, 68944240), (2, 34472120), (4, 17236060), (5, 13788848), (8, 8618030), (10, 6894424), (16, 4309015), (20, 3447212), (40, 1723606), (80, 861803)]