15939680

素因数分解:

$2^5\times 5^1\times {\mathrm{99623}}^1$

素因数の和:99638

約数の個数: 24

約数和(自身を含む): 37657872

約数和(自身を除く): 21718192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99623, 199246, 398492, 498115, 796984, 996230, 1593968, 1992460, 3187936, 3984920, 7969840, 15939680]

約数ペア:

[(1, 15939680), (2, 7969840), (4, 3984920), (5, 3187936), (8, 1992460), (10, 1593968), (16, 996230), (20, 796984), (32, 498115), (40, 398492), (80, 199246), (160, 99623)]