220163960

素因数分解:

$2^3\times 5^1\times {\mathrm{5504099}}^1$

素因数の和:5504110

約数の個数: 16

約数和(自身を含む): 495369000

約数和(自身を除く): 275205040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5504099, 11008198, 22016396, 27520495, 44032792, 55040990, 110081980, 220163960]

約数ペア:

[(1, 220163960), (2, 110081980), (4, 55040990), (5, 44032792), (8, 27520495), (10, 22016396), (20, 11008198), (40, 5504099)]