100401020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38321}}^1$

素因数の和:38461

約数の個数: 24

約数和(自身を含む): 212457168

約数和(自身を除く): 112056148

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 38321, 76642, 153284, 191605, 383210, 766420, 5020051, 10040102, 20080204, 25100255, 50200510, 100401020]

約数ペア:

[(1, 100401020), (2, 50200510), (4, 25100255), (5, 20080204), (10, 10040102), (20, 5020051), (131, 766420), (262, 383210), (524, 191605), (655, 153284), (1310, 76642), (2620, 38321)]