89150420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{143791}}^1$

素因数の和:143831

約数の個数: 24

約数和(自身を含む): 193256448

約数和(自身を除く): 104106028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 143791, 287582, 575164, 718955, 1437910, 2875820, 4457521, 8915042, 17830084, 22287605, 44575210, 89150420]

約数ペア:

[(1, 89150420), (2, 44575210), (4, 22287605), (5, 17830084), (10, 8915042), (20, 4457521), (31, 2875820), (62, 1437910), (124, 718955), (155, 575164), (310, 287582), (620, 143791)]