40891420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107609}}^1$

素因数の和:107637

約数の個数: 24

約数和(自身を含む): 90392400

約数和(自身を除く): 49500980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 107609, 215218, 430436, 538045, 1076090, 2044571, 2152180, 4089142, 8178284, 10222855, 20445710, 40891420]

約数ペア:

[(1, 40891420), (2, 20445710), (4, 10222855), (5, 8178284), (10, 4089142), (19, 2152180), (20, 2044571), (38, 1076090), (76, 538045), (95, 430436), (190, 215218), (380, 107609)]