12245980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2179}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 25819920

約数和(自身を除く): 13573940

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2179, 2810, 4358, 5620, 8716, 10895, 21790, 43580, 612299, 1224598, 2449196, 3061495, 6122990, 12245980]

約数ペア:

[(1, 12245980), (2, 6122990), (4, 3061495), (5, 2449196), (10, 1224598), (20, 612299), (281, 43580), (562, 21790), (1124, 10895), (1405, 8716), (2179, 5620), (2810, 4358)]