15847280

素因数分解:

$2^4\times 5^1\times {\mathrm{198091}}^1$

素因数の和:198104

約数の個数: 20

約数和(自身を含む): 36845112

約数和(自身を除く): 20997832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198091, 396182, 792364, 990455, 1584728, 1980910, 3169456, 3961820, 7923640, 15847280]

約数ペア:

[(1, 15847280), (2, 7923640), (4, 3961820), (5, 3169456), (8, 1980910), (10, 1584728), (16, 990455), (20, 792364), (40, 396182), (80, 198091)]