9963440

素因数分解:

$2^4\times 5^1\times {\mathrm{124543}}^1$

素因数の和:124556

約数の個数: 20

約数和(自身を含む): 23165184

約数和(自身を除く): 13201744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124543, 249086, 498172, 622715, 996344, 1245430, 1992688, 2490860, 4981720, 9963440]

約数ペア:

[(1, 9963440), (2, 4981720), (4, 2490860), (5, 1992688), (8, 1245430), (10, 996344), (16, 622715), (20, 498172), (40, 249086), (80, 124543)]