28701875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 37769160

約数和(自身を除く): 9067285

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 2417, 11875, 12085, 45923, 60425, 229615, 302125, 1148075, 1510625, 5740375, 28701875]

約数ペア:

[(1, 28701875), (5, 5740375), (19, 1510625), (25, 1148075), (95, 302125), (125, 229615), (475, 60425), (625, 45923), (2375, 12085), (2417, 11875)]