2051220890

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1\times {\mathrm{2081}}^1$

素因数の和:2738

約数の個数: 32

約数和(自身を含む): 3718368720

約数和(自身を除く): 1667147830

約数列:

[1, 2, 5, 10, 241, 409, 482, 818, 1205, 2045, 2081, 2410, 4090, 4162, 10405, 20810, 98569, 197138, 492845, 501521, 851129, 985690, 1003042, 1702258, 2507605, 4255645, 5015210, 8511290, 205122089, 410244178, 1025610445, 2051220890]

約数ペア:

[(1, 2051220890), (2, 1025610445), (5, 410244178), (10, 205122089), (241, 8511290), (409, 5015210), (482, 4255645), (818, 2507605), (1205, 1702258), (2045, 1003042), (2081, 985690), (2410, 851129), (4090, 501521), (4162, 492845), (10405, 197138), (20810, 98569)]