67717340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31063}}^1$

素因数の和:31181

約数の個数: 24

約数和(自身を含む): 143515680

約数和(自身を除く): 75798340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31063, 62126, 124252, 155315, 310630, 621260, 3385867, 6771734, 13543468, 16929335, 33858670, 67717340]

約数ペア:

[(1, 67717340), (2, 33858670), (4, 16929335), (5, 13543468), (10, 6771734), (20, 3385867), (109, 621260), (218, 310630), (436, 155315), (545, 124252), (1090, 62126), (2180, 31063)]