15947240

素因数分解:

$2^3\times 5^1\times {\mathrm{398681}}^1$

素因数の和:398692

約数の個数: 16

約数和(自身を含む): 35881380

約数和(自身を除く): 19934140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 398681, 797362, 1594724, 1993405, 3189448, 3986810, 7973620, 15947240]

約数ペア:

[(1, 15947240), (2, 7973620), (4, 3986810), (5, 3189448), (8, 1993405), (10, 1594724), (20, 797362), (40, 398681)]