28688540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49463}}^1$

素因数の和:49501

約数の個数: 24

約数和(自身を含む): 62324640

約数和(自身を除く): 33636100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49463, 98926, 197852, 247315, 494630, 989260, 1434427, 2868854, 5737708, 7172135, 14344270, 28688540]

約数ペア:

[(1, 28688540), (2, 14344270), (4, 7172135), (5, 5737708), (10, 2868854), (20, 1434427), (29, 989260), (58, 494630), (116, 247315), (145, 197852), (290, 98926), (580, 49463)]