20375125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 28005120

約数和(自身を除く): 7629995

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 373, 437, 475, 575, 1865, 2185, 2375, 2875, 7087, 8579, 9325, 10925, 35435, 42895, 46625, 54625, 163001, 177175, 214475, 815005, 885875, 1072375, 4075025, 20375125]

約数ペア:

[(1, 20375125), (5, 4075025), (19, 1072375), (23, 885875), (25, 815005), (95, 214475), (115, 177175), (125, 163001), (373, 54625), (437, 46625), (475, 42895), (575, 35435), (1865, 10925), (2185, 9325), (2375, 8579), (2875, 7087)]