2228260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 4790016

約数和(自身を除く): 2561756

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2591, 5182, 10364, 12955, 25910, 51820, 111413, 222826, 445652, 557065, 1114130, 2228260]

約数ペア:

[(1, 2228260), (2, 1114130), (4, 557065), (5, 445652), (10, 222826), (20, 111413), (43, 51820), (86, 25910), (172, 12955), (215, 10364), (430, 5182), (860, 2591)]