40581940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289871}}^1$

素因数の和:289887

約数の個数: 24

約数和(自身を含む): 97396992

約数和(自身を除く): 56815052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289871, 579742, 1159484, 1449355, 2029097, 2898710, 4058194, 5797420, 8116388, 10145485, 20290970, 40581940]

約数ペア:

[(1, 40581940), (2, 20290970), (4, 10145485), (5, 8116388), (7, 5797420), (10, 4058194), (14, 2898710), (20, 2029097), (28, 1449355), (35, 1159484), (70, 579742), (140, 289871)]