15943240

素因数分解:

$2^3\times 5^1\times {\mathrm{398581}}^1$

素因数の和:398592

約数の個数: 16

約数和(自身を含む): 35872380

約数和(自身を除く): 19929140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 398581, 797162, 1594324, 1992905, 3188648, 3985810, 7971620, 15943240]

約数ペア:

[(1, 15943240), (2, 7971620), (4, 3985810), (5, 3188648), (8, 1992905), (10, 1594324), (20, 797162), (40, 398581)]