79291640

素因数分解:

$2^3\times 5^1\times {\mathrm{1982291}}^1$

素因数の和:1982302

約数の個数: 16

約数和(自身を含む): 178406280

約数和(自身を除く): 99114640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1982291, 3964582, 7929164, 9911455, 15858328, 19822910, 39645820, 79291640]

約数ペア:

[(1, 79291640), (2, 39645820), (4, 19822910), (5, 15858328), (8, 9911455), (10, 7929164), (20, 3964582), (40, 1982291)]