100131380

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{12241}}^1$

素因数の和:12659

約数の個数: 24

約数和(自身を含む): 210807240

約数和(自身を除く): 110675860

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 12241, 24482, 48964, 61205, 122410, 244820, 5006569, 10013138, 20026276, 25032845, 50065690, 100131380]

約数ペア:

[(1, 100131380), (2, 50065690), (4, 25032845), (5, 20026276), (10, 10013138), (20, 5006569), (409, 244820), (818, 122410), (1636, 61205), (2045, 48964), (4090, 24482), (8180, 12241)]