866875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:112

約数の個数: 20

約数和(自身を含む): 1155880

約数和(自身を除く): 289005

約数列:

[1, 5, 19, 25, 73, 95, 125, 365, 475, 625, 1387, 1825, 2375, 6935, 9125, 11875, 34675, 45625, 173375, 866875]

約数ペア:

[(1, 866875), (5, 173375), (19, 45625), (25, 34675), (73, 11875), (95, 9125), (125, 6935), (365, 2375), (475, 1825), (625, 1387)]