166815940

素因数分解:

$2^2\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{3769}}^1$

素因数の和:5991

約数の個数: 24

約数和(自身を含む): 350564760

約数和(自身を除く): 183748820

約数列:

[1, 2, 4, 5, 10, 20, 2213, 3769, 4426, 7538, 8852, 11065, 15076, 18845, 22130, 37690, 44260, 75380, 8340797, 16681594, 33363188, 41703985, 83407970, 166815940]

約数ペア:

[(1, 166815940), (2, 83407970), (4, 41703985), (5, 33363188), (10, 16681594), (20, 8340797), (2213, 75380), (3769, 44260), (4426, 37690), (7538, 22130), (8852, 18845), (11065, 15076)]