510625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 20

約数和(自身を含む): 687280

約数和(自身を除く): 176655

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 475, 625, 817, 1075, 2375, 4085, 5375, 11875, 20425, 26875, 102125, 510625]

約数ペア:

[(1, 510625), (5, 102125), (19, 26875), (25, 20425), (43, 11875), (95, 5375), (125, 4085), (215, 2375), (475, 1075), (625, 817)]