72610040

素因数分解:

$2^3\times 5^1\times {\mathrm{1815251}}^1$

素因数の和:1815262

約数の個数: 16

約数和(自身を含む): 163372680

約数和(自身を除く): 90762640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1815251, 3630502, 7261004, 9076255, 14522008, 18152510, 36305020, 72610040]

約数ペア:

[(1, 72610040), (2, 36305020), (4, 18152510), (5, 14522008), (8, 9076255), (10, 7261004), (20, 3630502), (40, 1815251)]