27957680

素因数分解:

$2^4\times 5^1\times {\mathrm{349471}}^1$

素因数の和:349484

約数の個数: 20

約数和(自身を含む): 65001792

約数和(自身を除く): 37044112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349471, 698942, 1397884, 1747355, 2795768, 3494710, 5591536, 6989420, 13978840, 27957680]

約数ペア:

[(1, 27957680), (2, 13978840), (4, 6989420), (5, 5591536), (8, 3494710), (10, 2795768), (16, 1747355), (20, 1397884), (40, 698942), (80, 349471)]