40165790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81971}}^1$

素因数の和:81992

約数の個数: 24

約数和(自身を含む): 84103272

約数和(自身を除く): 43937482

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81971, 163942, 409855, 573797, 819710, 1147594, 2868985, 4016579, 5737970, 8033158, 20082895, 40165790]

約数ペア:

[(1, 40165790), (2, 20082895), (5, 8033158), (7, 5737970), (10, 4016579), (14, 2868985), (35, 1147594), (49, 819710), (70, 573797), (98, 409855), (245, 163942), (490, 81971)]