15930920

素因数分解:

$2^3\times 5^1\times {\mathrm{398273}}^1$

素因数の和:398284

約数の個数: 16

約数和(自身を含む): 35844660

約数和(自身を除く): 19913740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 398273, 796546, 1593092, 1991365, 3186184, 3982730, 7965460, 15930920]

約数ペア:

[(1, 15930920), (2, 7965460), (4, 3982730), (5, 3186184), (8, 1991365), (10, 1593092), (20, 796546), (40, 398273)]