79881820

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{5167}}^1$

素因数の和:5949

約数の個数: 24

約数和(自身を含む): 168001344

約数和(自身を除く): 88119524

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 5167, 7730, 10334, 15460, 20668, 25835, 51670, 103340, 3994091, 7988182, 15976364, 19970455, 39940910, 79881820]

約数ペア:

[(1, 79881820), (2, 39940910), (4, 19970455), (5, 15976364), (10, 7988182), (20, 3994091), (773, 103340), (1546, 51670), (3092, 25835), (3865, 20668), (5167, 15460), (7730, 10334)]