25725544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 56044800

約数和(自身を除く): 30319256

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 277, 376, 494, 554, 611, 893, 988, 1108, 1222, 1786, 1976, 2216, 2444, 3572, 3601, 4888, 5263, 7144, 7202, 10526, 11609, 13019, 14404, 21052, 23218, 26038, 28808, 42104, 46436, 52076, 68419, 92872, 104152, 136838, 169247, 247361, 273676, 338494, 494722, 547352, 676988, 989444, 1353976, 1978888, 3215693, 6431386, 12862772, 25725544]

約数ペア:

[(1, 25725544), (2, 12862772), (4, 6431386), (8, 3215693), (13, 1978888), (19, 1353976), (26, 989444), (38, 676988), (47, 547352), (52, 494722), (76, 338494), (94, 273676), (104, 247361), (152, 169247), (188, 136838), (247, 104152), (277, 92872), (376, 68419), (494, 52076), (554, 46436), (611, 42104), (893, 28808), (988, 26038), (1108, 23218), (1222, 21052), (1786, 14404), (1976, 13019), (2216, 11609), (2444, 10526), (3572, 7202), (3601, 7144), (4888, 5263)]