9978860

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3061}}^1$

素因数の和:3233

約数の個数: 24

約数和(自身を含む): 21091056

約数和(自身を除く): 11112196

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3061, 3260, 6122, 12244, 15305, 30610, 61220, 498943, 997886, 1995772, 2494715, 4989430, 9978860]

約数ペア:

[(1, 9978860), (2, 4989430), (4, 2494715), (5, 1995772), (10, 997886), (20, 498943), (163, 61220), (326, 30610), (652, 15305), (815, 12244), (1630, 6122), (3061, 3260)]