25798430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 29722210

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 89, 101, 178, 202, 205, 287, 410, 445, 505, 574, 623, 707, 890, 1010, 1246, 1414, 1435, 2870, 3115, 3535, 3649, 4141, 6230, 7070, 7298, 8282, 8989, 17978, 18245, 20705, 25543, 28987, 36490, 41410, 44945, 51086, 57974, 62923, 89890, 125846, 127715, 144935, 255430, 289870, 314615, 368549, 629230, 737098, 1842745, 2579843, 3685490, 5159686, 12899215, 25798430]

約数ペア:

[(1, 25798430), (2, 12899215), (5, 5159686), (7, 3685490), (10, 2579843), (14, 1842745), (35, 737098), (41, 629230), (70, 368549), (82, 314615), (89, 289870), (101, 255430), (178, 144935), (202, 127715), (205, 125846), (287, 89890), (410, 62923), (445, 57974), (505, 51086), (574, 44945), (623, 41410), (707, 36490), (890, 28987), (1010, 25543), (1246, 20705), (1414, 18245), (1435, 17978), (2870, 8989), (3115, 8282), (3535, 7298), (3649, 7070), (4141, 6230)]