28901375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 38987520

約数和(自身を除く): 10086145

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 283, 475, 817, 1075, 1415, 2375, 4085, 5375, 5377, 7075, 12169, 20425, 26885, 35375, 60845, 102125, 134425, 231211, 304225, 672125, 1156055, 1521125, 5780275, 28901375]

約数ペア:

[(1, 28901375), (5, 5780275), (19, 1521125), (25, 1156055), (43, 672125), (95, 304225), (125, 231211), (215, 134425), (283, 102125), (475, 60845), (817, 35375), (1075, 26885), (1415, 20425), (2375, 12169), (4085, 7075), (5375, 5377)]