72474040

素因数分解:

$2^3\times 5^1\times {\mathrm{1811851}}^1$

素因数の和:1811862

約数の個数: 16

約数和(自身を含む): 163066680

約数和(自身を除く): 90592640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1811851, 3623702, 7247404, 9059255, 14494808, 18118510, 36237020, 72474040]

約数ペア:

[(1, 72474040), (2, 36237020), (4, 18118510), (5, 14494808), (8, 9059255), (10, 7247404), (20, 3623702), (40, 1811851)]