68637260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21859}}^1$

素因数の和:22025

約数の個数: 24

約数和(自身を含む): 145062960

約数和(自身を除く): 76425700

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21859, 43718, 87436, 109295, 218590, 437180, 3431863, 6863726, 13727452, 17159315, 34318630, 68637260]

約数ペア:

[(1, 68637260), (2, 34318630), (4, 17159315), (5, 13727452), (10, 6863726), (20, 3431863), (157, 437180), (314, 218590), (628, 109295), (785, 87436), (1570, 43718), (3140, 21859)]