61157680

素因数分解:

$2^4\times 5^1\times {\mathrm{764471}}^1$

素因数の和:764484

約数の個数: 20

約数和(自身を含む): 142191792

約数和(自身を除く): 81034112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 764471, 1528942, 3057884, 3822355, 6115768, 7644710, 12231536, 15289420, 30578840, 61157680]

約数ペア:

[(1, 61157680), (2, 30578840), (4, 15289420), (5, 12231536), (8, 7644710), (10, 6115768), (16, 3822355), (20, 3057884), (40, 1528942), (80, 764471)]