27959920

素因数分解:

$2^4\times 5^1\times {\mathrm{349499}}^1$

素因数の和:349512

約数の個数: 20

約数和(自身を含む): 65007000

約数和(自身を除く): 37047080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349499, 698998, 1397996, 1747495, 2795992, 3494990, 5591984, 6989980, 13979960, 27959920]

約数ペア:

[(1, 27959920), (2, 13979960), (4, 6989980), (5, 5591984), (8, 3494990), (10, 2795992), (16, 1747495), (20, 1397996), (40, 698998), (80, 349499)]