25057175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 37580928

約数和(自身を除く): 12523753

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 143, 163, 215, 275, 325, 473, 559, 715, 815, 1075, 1793, 2119, 2365, 2795, 3575, 4075, 6149, 7009, 8965, 10595, 11825, 13975, 23309, 30745, 35045, 44825, 52975, 77099, 91117, 116545, 153725, 175225, 385495, 455585, 582725, 1002287, 1927475, 2277925, 5011435, 25057175]

約数ペア:

[(1, 25057175), (5, 5011435), (11, 2277925), (13, 1927475), (25, 1002287), (43, 582725), (55, 455585), (65, 385495), (143, 175225), (163, 153725), (215, 116545), (275, 91117), (325, 77099), (473, 52975), (559, 44825), (715, 35045), (815, 30745), (1075, 23309), (1793, 13975), (2119, 11825), (2365, 10595), (2795, 8965), (3575, 7009), (4075, 6149)]