81252820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{369331}}^1$

素因数の和:369351

約数の個数: 24

約数和(自身を含む): 186143328

約数和(自身を除く): 104890508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 369331, 738662, 1477324, 1846655, 3693310, 4062641, 7386620, 8125282, 16250564, 20313205, 40626410, 81252820]

約数ペア:

[(1, 81252820), (2, 40626410), (4, 20313205), (5, 16250564), (10, 8125282), (11, 7386620), (20, 4062641), (22, 3693310), (44, 1846655), (55, 1477324), (110, 738662), (220, 369331)]