52213180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 113430240

約数和(自身を除く): 61217060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 557, 860, 1090, 1114, 2180, 2228, 2785, 4687, 5570, 9374, 11140, 18748, 23435, 23951, 46870, 47902, 60713, 93740, 95804, 119755, 121426, 239510, 242852, 303565, 479020, 607130, 1214260, 2610659, 5221318, 10442636, 13053295, 26106590, 52213180]

約数ペア:

[(1, 52213180), (2, 26106590), (4, 13053295), (5, 10442636), (10, 5221318), (20, 2610659), (43, 1214260), (86, 607130), (109, 479020), (172, 303565), (215, 242852), (218, 239510), (430, 121426), (436, 119755), (545, 95804), (557, 93740), (860, 60713), (1090, 47902), (1114, 46870), (2180, 23951), (2228, 23435), (2785, 18748), (4687, 11140), (5570, 9374)]