57277720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33301}}^1$

素因数の和:33355

約数の個数: 32

約数和(自身を含む): 131875920

約数和(自身を除く): 74598200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 33301, 66602, 133204, 166505, 266408, 333010, 666020, 1332040, 1431943, 2863886, 5727772, 7159715, 11455544, 14319430, 28638860, 57277720]

約数ペア:

[(1, 57277720), (2, 28638860), (4, 14319430), (5, 11455544), (8, 7159715), (10, 5727772), (20, 2863886), (40, 1431943), (43, 1332040), (86, 666020), (172, 333010), (215, 266408), (344, 166505), (430, 133204), (860, 66602), (1720, 33301)]