40895020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3581}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 86053968

約数和(自身を除く): 45158948

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 3581, 5710, 7162, 11420, 14324, 17905, 35810, 71620, 2044751, 4089502, 8179004, 10223755, 20447510, 40895020]

約数ペア:

[(1, 40895020), (2, 20447510), (4, 10223755), (5, 8179004), (10, 4089502), (20, 2044751), (571, 71620), (1142, 35810), (2284, 17905), (2855, 14324), (3581, 11420), (5710, 7162)]