129551420

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{10567}}^1$

素因数の和:11189

約数の個数: 24

約数和(自身を含む): 272527584

約数和(自身を除く): 142976164

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 10567, 12260, 21134, 42268, 52835, 105670, 211340, 6477571, 12955142, 25910284, 32387855, 64775710, 129551420]

約数ペア:

[(1, 129551420), (2, 64775710), (4, 32387855), (5, 25910284), (10, 12955142), (20, 6477571), (613, 211340), (1226, 105670), (2452, 52835), (3065, 42268), (6130, 21134), (10567, 12260)]