80459020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93557}}^1$

素因数の和:93609

約数の個数: 24

約数和(自身を含む): 172895184

約数和(自身を除く): 92436164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93557, 187114, 374228, 467785, 935570, 1871140, 4022951, 8045902, 16091804, 20114755, 40229510, 80459020]

約数ペア:

[(1, 80459020), (2, 40229510), (4, 20114755), (5, 16091804), (10, 8045902), (20, 4022951), (43, 1871140), (86, 935570), (172, 467785), (215, 374228), (430, 187114), (860, 93557)]