25672420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67559}}^1$

素因数の和:67587

約数の個数: 24

約数和(自身を含む): 56750400

約数和(自身を除く): 31077980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67559, 135118, 270236, 337795, 675590, 1283621, 1351180, 2567242, 5134484, 6418105, 12836210, 25672420]

約数ペア:

[(1, 25672420), (2, 12836210), (4, 6418105), (5, 5134484), (10, 2567242), (19, 1351180), (20, 1283621), (38, 675590), (76, 337795), (95, 270236), (190, 135118), (380, 67559)]