13406875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1168

約数の個数: 20

約数和(自身を含む): 17650600

約数和(自身を除く): 4243725

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1129, 2375, 5645, 11875, 21451, 28225, 107255, 141125, 536275, 705625, 2681375, 13406875]

約数ペア:

[(1, 13406875), (5, 2681375), (19, 705625), (25, 536275), (95, 141125), (125, 107255), (475, 28225), (625, 21451), (1129, 11875), (2375, 5645)]