42790375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 57657600

約数和(自身を除く): 14867225

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 419, 475, 817, 1075, 2095, 2375, 4085, 5375, 7961, 10475, 18017, 20425, 39805, 52375, 90085, 102125, 199025, 342323, 450425, 995125, 1711615, 2252125, 8558075, 42790375]

約数ペア:

[(1, 42790375), (5, 8558075), (19, 2252125), (25, 1711615), (43, 995125), (95, 450425), (125, 342323), (215, 199025), (419, 102125), (475, 90085), (817, 52375), (1075, 39805), (2095, 20425), (2375, 18017), (4085, 10475), (5375, 7961)]