72828040

素因数分解:

$2^3\times 5^1\times {\mathrm{1820701}}^1$

素因数の和:1820712

約数の個数: 16

約数和(自身を含む): 163863180

約数和(自身を除く): 91035140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1820701, 3641402, 7282804, 9103505, 14565608, 18207010, 36414020, 72828040]

約数ペア:

[(1, 72828040), (2, 36414020), (4, 18207010), (5, 14565608), (8, 9103505), (10, 7282804), (20, 3641402), (40, 1820701)]