72988040

素因数分解:

$2^3\times 5^1\times {\mathrm{1824701}}^1$

素因数の和:1824712

約数の個数: 16

約数和(自身を含む): 164223180

約数和(自身を除く): 91235140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1824701, 3649402, 7298804, 9123505, 14597608, 18247010, 36494020, 72988040]

約数ペア:

[(1, 72988040), (2, 36494020), (4, 18247010), (5, 14597608), (8, 9123505), (10, 7298804), (20, 3649402), (40, 1824701)]