179941820

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{4129}}^1$

素因数の和:6317

約数の個数: 24

約数和(自身を含む): 378142800

約数和(自身を除く): 198200980

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4129, 4358, 8258, 8716, 10895, 16516, 20645, 21790, 41290, 43580, 82580, 8997091, 17994182, 35988364, 44985455, 89970910, 179941820]

約数ペア:

[(1, 179941820), (2, 89970910), (4, 44985455), (5, 35988364), (10, 17994182), (20, 8997091), (2179, 82580), (4129, 43580), (4358, 41290), (8258, 21790), (8716, 20645), (10895, 16516)]