31080020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{26339}}^1$

素因数の和:26407

約数の個数: 24

約数和(自身を含む): 66376800

約数和(自身を除く): 35296780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 26339, 52678, 105356, 131695, 263390, 526780, 1554001, 3108002, 6216004, 7770005, 15540010, 31080020]

約数ペア:

[(1, 31080020), (2, 15540010), (4, 7770005), (5, 6216004), (10, 3108002), (20, 1554001), (59, 526780), (118, 263390), (236, 131695), (295, 105356), (590, 52678), (1180, 26339)]