72625880

素因数分解:

$2^3\times 5^1\times {\mathrm{1815647}}^1$

素因数の和:1815658

約数の個数: 16

約数和(自身を含む): 163408320

約数和(自身を除く): 90782440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1815647, 3631294, 7262588, 9078235, 14525176, 18156470, 36312940, 72625880]

約数ペア:

[(1, 72625880), (2, 36312940), (4, 18156470), (5, 14525176), (8, 9078235), (10, 7262588), (20, 3631294), (40, 1815647)]