2553125

素因数分解:

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

素因数の和:87

約数の個数: 24

約数和(自身を含む): 3437280

約数和(自身を除く): 884155

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 475, 625, 817, 1075, 2375, 3125, 4085, 5375, 11875, 20425, 26875, 59375, 102125, 134375, 510625, 2553125]

約数ペア:

[(1, 2553125), (5, 510625), (19, 134375), (25, 102125), (43, 59375), (95, 26875), (125, 20425), (215, 11875), (475, 5375), (625, 4085), (817, 3125), (1075, 2375)]