40896020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 94239936

約数和(自身を除く): 53343916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 881, 1055, 1762, 2110, 2321, 3524, 4220, 4405, 4642, 8810, 9284, 9691, 11605, 17620, 19382, 23210, 38764, 46420, 48455, 96910, 185891, 193820, 371782, 743564, 929455, 1858910, 2044801, 3717820, 4089602, 8179204, 10224005, 20448010, 40896020]

約数ペア:

[(1, 40896020), (2, 20448010), (4, 10224005), (5, 8179204), (10, 4089602), (11, 3717820), (20, 2044801), (22, 1858910), (44, 929455), (55, 743564), (110, 371782), (211, 193820), (220, 185891), (422, 96910), (844, 48455), (881, 46420), (1055, 38764), (1762, 23210), (2110, 19382), (2321, 17620), (3524, 11605), (4220, 9691), (4405, 9284), (4642, 8810)]