25890352

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 52309152

約数和(自身を除く): 26418800

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 647, 656, 976, 1294, 2501, 2588, 5002, 5176, 10004, 10352, 20008, 26527, 39467, 40016, 53054, 78934, 106108, 157868, 212216, 315736, 424432, 631472, 1618147, 3236294, 6472588, 12945176, 25890352]

約数ペア:

[(1, 25890352), (2, 12945176), (4, 6472588), (8, 3236294), (16, 1618147), (41, 631472), (61, 424432), (82, 315736), (122, 212216), (164, 157868), (244, 106108), (328, 78934), (488, 53054), (647, 40016), (656, 39467), (976, 26527), (1294, 20008), (2501, 10352), (2588, 10004), (5002, 5176)]