1320222490

素因数分解:

$2^1\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{52369}}^1$

素因数の和:54897

約数の個数: 16

約数和(自身を含む): 2377388520

約数和(自身を除く): 1057166030

約数列:

[1, 2, 5, 10, 2521, 5042, 12605, 25210, 52369, 104738, 261845, 523690, 132022249, 264044498, 660111245, 1320222490]

約数ペア:

[(1, 1320222490), (2, 660111245), (5, 264044498), (10, 132022249), (2521, 523690), (5042, 261845), (12605, 104738), (25210, 52369)]