20151305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4933}}^1$

素因数の和:5000

約数の個数: 16

約数和(自身を含む): 26051520

約数和(自身を除く): 5900215

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4933, 24665, 93727, 212119, 468635, 1060595, 4030261, 20151305]

約数ペア:

[(1, 20151305), (5, 4030261), (19, 1060595), (43, 468635), (95, 212119), (215, 93727), (817, 24665), (4085, 4933)]