12603440

素因数分解:

$2^4\times 5^1\times {\mathrm{157543}}^1$

素因数の和:157556

約数の個数: 20

約数和(自身を含む): 29303184

約数和(自身を除く): 16699744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157543, 315086, 630172, 787715, 1260344, 1575430, 2520688, 3150860, 6301720, 12603440]

約数ペア:

[(1, 12603440), (2, 6301720), (4, 3150860), (5, 2520688), (8, 1575430), (10, 1260344), (16, 787715), (20, 630172), (40, 315086), (80, 157543)]