1561612210

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{125029}}^1$

素因数の和:126285

約数の個数: 16

約数和(自身を含む): 2813175000

約数和(自身を除く): 1251562790

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 125029, 250058, 625145, 1250290, 156161221, 312322442, 780806105, 1561612210]

約数ペア:

[(1, 1561612210), (2, 780806105), (5, 312322442), (10, 156161221), (1249, 1250290), (2498, 625145), (6245, 250058), (12490, 125029)]