57121780

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6361}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 120241800

約数和(自身を除く): 63120020

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 6361, 8980, 12722, 25444, 31805, 63610, 127220, 2856089, 5712178, 11424356, 14280445, 28560890, 57121780]

約数ペア:

[(1, 57121780), (2, 28560890), (4, 14280445), (5, 11424356), (10, 5712178), (20, 2856089), (449, 127220), (898, 63610), (1796, 31805), (2245, 25444), (4490, 12722), (6361, 8980)]