12280540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3911}}^1$

素因数の和:4077

約数の個数: 24

約数和(自身を含む): 25960032

約数和(自身を除く): 13679492

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 3911, 7822, 15644, 19555, 39110, 78220, 614027, 1228054, 2456108, 3070135, 6140270, 12280540]

約数ペア:

[(1, 12280540), (2, 6140270), (4, 3070135), (5, 2456108), (10, 1228054), (20, 614027), (157, 78220), (314, 39110), (628, 19555), (785, 15644), (1570, 7822), (3140, 3911)]