2199020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 4727184

約数和(自身を除く): 2528164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2557, 5114, 10228, 12785, 25570, 51140, 109951, 219902, 439804, 549755, 1099510, 2199020]

約数ペア:

[(1, 2199020), (2, 1099510), (4, 549755), (5, 439804), (10, 219902), (20, 109951), (43, 51140), (86, 25570), (172, 12785), (215, 10228), (430, 5114), (860, 2557)]