68800540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21911}}^1$

素因数の和:22077

約数の個数: 24

約数和(自身を含む): 145408032

約数和(自身を除く): 76607492

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21911, 43822, 87644, 109555, 219110, 438220, 3440027, 6880054, 13760108, 17200135, 34400270, 68800540]

約数ペア:

[(1, 68800540), (2, 34400270), (4, 17200135), (5, 13760108), (10, 6880054), (20, 3440027), (157, 438220), (314, 219110), (628, 109555), (785, 87644), (1570, 43822), (3140, 21911)]