891475640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2026081}}^1$

素因数の和:2026103

約数の個数: 32

約数和(自身を含む): 2188168560

約数和(自身を除く): 1296692920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2026081, 4052162, 8104324, 10130405, 16208648, 20260810, 22286891, 40521620, 44573782, 81043240, 89147564, 111434455, 178295128, 222868910, 445737820, 891475640]

約数ペア:

[(1, 891475640), (2, 445737820), (4, 222868910), (5, 178295128), (8, 111434455), (10, 89147564), (11, 81043240), (20, 44573782), (22, 40521620), (40, 22286891), (44, 20260810), (55, 16208648), (88, 10130405), (110, 8104324), (220, 4052162), (440, 2026081)]