158125040

素因数分解:

$2^4\times 5^1\times {\mathrm{1976563}}^1$

素因数の和:1976576

約数の個数: 20

約数和(自身を含む): 367640904

約数和(自身を除く): 209515864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1976563, 3953126, 7906252, 9882815, 15812504, 19765630, 31625008, 39531260, 79062520, 158125040]

約数ペア:

[(1, 158125040), (2, 79062520), (4, 39531260), (5, 31625008), (8, 19765630), (10, 15812504), (16, 9882815), (20, 7906252), (40, 3953126), (80, 1976563)]