25800775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 42997248

約数和(自身を除く): 17196473

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1031, 1925, 2275, 3575, 5005, 5155, 7217, 11341, 13403, 25025, 25775, 36085, 56705, 67015, 79387, 93821, 147433, 180425, 283525, 335075, 396935, 469105, 737165, 1032031, 1984675, 2345525, 3685825, 5160155, 25800775]

約数ペア:

[(1, 25800775), (5, 5160155), (7, 3685825), (11, 2345525), (13, 1984675), (25, 1032031), (35, 737165), (55, 469105), (65, 396935), (77, 335075), (91, 283525), (143, 180425), (175, 147433), (275, 93821), (325, 79387), (385, 67015), (455, 56705), (715, 36085), (1001, 25775), (1031, 25025), (1925, 13403), (2275, 11341), (3575, 7217), (5005, 5155)]