15859280

素因数分解:

$2^4\times 5^1\times {\mathrm{198241}}^1$

素因数の和:198254

約数の個数: 20

約数和(自身を含む): 36873012

約数和(自身を除く): 21013732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 198241, 396482, 792964, 991205, 1585928, 1982410, 3171856, 3964820, 7929640, 15859280]

約数ペア:

[(1, 15859280), (2, 7929640), (4, 3964820), (5, 3171856), (8, 1982410), (10, 1585928), (16, 991205), (20, 792964), (40, 396482), (80, 198241)]