39899945

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5477}}^1$

素因数の和:5560

約数の個数: 16

約数和(自身を含む): 50485248

約数和(自身を除く): 10585303

約数列:

[1, 5, 31, 47, 155, 235, 1457, 5477, 7285, 27385, 169787, 257419, 848935, 1287095, 7979989, 39899945]

約数ペア:

[(1, 39899945), (5, 7979989), (31, 1287095), (47, 848935), (155, 257419), (235, 169787), (1457, 27385), (5477, 7285)]