71399640040

素因数分解:

$2^3\times 5^1\times {\mathrm{1784991001}}^1$

素因数の和:1784991012

約数の個数: 16

約数和(自身を含む): 160649190180

約数和(自身を除く): 89249550140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1784991001, 3569982002, 7139964004, 8924955005, 14279928008, 17849910010, 35699820020, 71399640040]

約数ペア:

[(1, 71399640040), (2, 35699820020), (4, 17849910010), (5, 14279928008), (8, 8924955005), (10, 7139964004), (20, 3569982002), (40, 1784991001)]