7972880

素因数分解:

$2^4\times 5^1\times {\mathrm{99661}}^1$

素因数の和:99674

約数の個数: 20

約数和(自身を含む): 18537132

約数和(自身を除く): 10564252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99661, 199322, 398644, 498305, 797288, 996610, 1594576, 1993220, 3986440, 7972880]

約数ペア:

[(1, 7972880), (2, 3986440), (4, 1993220), (5, 1594576), (8, 996610), (10, 797288), (16, 498305), (20, 398644), (40, 199322), (80, 99661)]