15697822640

素因数分解:

$2^4\times 5^1\times {\mathrm{196222783}}^1$

素因数の和:196222796

約数の個数: 20

約数和(自身を含む): 36497437824

約数和(自身を除く): 20799615184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196222783, 392445566, 784891132, 981113915, 1569782264, 1962227830, 3139564528, 3924455660, 7848911320, 15697822640]

約数ペア:

[(1, 15697822640), (2, 7848911320), (4, 3924455660), (5, 3139564528), (8, 1962227830), (10, 1569782264), (16, 981113915), (20, 784891132), (40, 392445566), (80, 196222783)]