51319640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{29837}}^1$

素因数の和:29891

約数の個数: 32

約数和(自身を含む): 118158480

約数和(自身を除く): 66838840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 29837, 59674, 119348, 149185, 238696, 298370, 596740, 1193480, 1282991, 2565982, 5131964, 6414955, 10263928, 12829910, 25659820, 51319640]

約数ペア:

[(1, 51319640), (2, 25659820), (4, 12829910), (5, 10263928), (8, 6414955), (10, 5131964), (20, 2565982), (40, 1282991), (43, 1193480), (86, 596740), (172, 298370), (215, 238696), (344, 149185), (430, 119348), (860, 59674), (1720, 29837)]