11223140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1997}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 23664312

約数和(自身を除く): 12441172

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 1997, 2810, 3994, 5620, 7988, 9985, 19970, 39940, 561157, 1122314, 2244628, 2805785, 5611570, 11223140]

約数ペア:

[(1, 11223140), (2, 5611570), (4, 2805785), (5, 2244628), (10, 1122314), (20, 561157), (281, 39940), (562, 19970), (1124, 9985), (1405, 7988), (1997, 5620), (2810, 3994)]