25730288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 51986256

約数和(自身を除く): 26255968

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 643, 656, 976, 1286, 2501, 2572, 5002, 5144, 10004, 10288, 20008, 26363, 39223, 40016, 52726, 78446, 105452, 156892, 210904, 313784, 421808, 627568, 1608143, 3216286, 6432572, 12865144, 25730288]

約数ペア:

[(1, 25730288), (2, 12865144), (4, 6432572), (8, 3216286), (16, 1608143), (41, 627568), (61, 421808), (82, 313784), (122, 210904), (164, 156892), (244, 105452), (328, 78446), (488, 52726), (643, 40016), (656, 39223), (976, 26363), (1286, 20008), (2501, 10288), (2572, 10004), (5002, 5144)]