7244180

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1289}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 15278760

約数和(自身を除く): 8034580

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1289, 1405, 2578, 2810, 5156, 5620, 6445, 12890, 25780, 362209, 724418, 1448836, 1811045, 3622090, 7244180]

約数ペア:

[(1, 7244180), (2, 3622090), (4, 1811045), (5, 1448836), (10, 724418), (20, 362209), (281, 25780), (562, 12890), (1124, 6445), (1289, 5620), (1405, 5156), (2578, 2810)]