25468816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 52328000

約数和(自身を除く): 26859184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 421, 796, 842, 1592, 1684, 3184, 3368, 3781, 6736, 7562, 7999, 15124, 15998, 30248, 31996, 60496, 63992, 83779, 127984, 167558, 335116, 670232, 1340464, 1591801, 3183602, 6367204, 12734408, 25468816]

約数ペア:

[(1, 25468816), (2, 12734408), (4, 6367204), (8, 3183602), (16, 1591801), (19, 1340464), (38, 670232), (76, 335116), (152, 167558), (199, 127984), (304, 83779), (398, 63992), (421, 60496), (796, 31996), (842, 30248), (1592, 15998), (1684, 15124), (3184, 7999), (3368, 7562), (3781, 6736)]