101919880

素因数分解:

$2^3\times 5^1\times {\mathrm{2547997}}^1$

素因数の和:2548008

約数の個数: 16

約数和(自身を含む): 229319820

約数和(自身を除く): 127399940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2547997, 5095994, 10191988, 12739985, 20383976, 25479970, 50959940, 101919880]

約数ペア:

[(1, 101919880), (2, 50959940), (4, 25479970), (5, 20383976), (8, 12739985), (10, 10191988), (20, 5095994), (40, 2547997)]