90958640

素因数分解:

$2^4\times 5^1\times {\mathrm{1136983}}^1$

素因数の和:1136996

約数の個数: 20

約数和(自身を含む): 211479024

約数和(自身を除く): 120520384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1136983, 2273966, 4547932, 5684915, 9095864, 11369830, 18191728, 22739660, 45479320, 90958640]

約数ペア:

[(1, 90958640), (2, 45479320), (4, 22739660), (5, 18191728), (8, 11369830), (10, 9095864), (16, 5684915), (20, 4547932), (40, 2273966), (80, 1136983)]