87202940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{396377}}^1$

素因数の和:396397

約数の個数: 24

約数和(自身を含む): 199774512

約数和(自身を除く): 112571572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 396377, 792754, 1585508, 1981885, 3963770, 4360147, 7927540, 8720294, 17440588, 21800735, 43601470, 87202940]

約数ペア:

[(1, 87202940), (2, 43601470), (4, 21800735), (5, 17440588), (10, 8720294), (11, 7927540), (20, 4360147), (22, 3963770), (44, 1981885), (55, 1585508), (110, 792754), (220, 396377)]