25163125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 35863520

約数和(自身を除く): 10700395

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 163, 247, 325, 475, 625, 815, 1235, 1625, 2119, 2375, 3097, 4075, 6175, 8125, 10595, 11875, 15485, 20375, 30875, 40261, 52975, 77425, 101875, 154375, 201305, 264875, 387125, 1006525, 1324375, 1935625, 5032625, 25163125]

約数ペア:

[(1, 25163125), (5, 5032625), (13, 1935625), (19, 1324375), (25, 1006525), (65, 387125), (95, 264875), (125, 201305), (163, 154375), (247, 101875), (325, 77425), (475, 52975), (625, 40261), (815, 30875), (1235, 20375), (1625, 15485), (2119, 11875), (2375, 10595), (3097, 8125), (4075, 6175)]