80268628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 163296000

約数和(自身を除く): 83027372

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 239, 374, 449, 478, 748, 898, 956, 1796, 2629, 4063, 4939, 5258, 7633, 8126, 9878, 10516, 15266, 16252, 19756, 30532, 44693, 83963, 89386, 107311, 167926, 178772, 214622, 335852, 429244, 1180421, 1824287, 2360842, 3648574, 4721684, 7297148, 20067157, 40134314, 80268628]

約数ペア:

[(1, 80268628), (2, 40134314), (4, 20067157), (11, 7297148), (17, 4721684), (22, 3648574), (34, 2360842), (44, 1824287), (68, 1180421), (187, 429244), (239, 335852), (374, 214622), (449, 178772), (478, 167926), (748, 107311), (898, 89386), (956, 83963), (1796, 44693), (2629, 30532), (4063, 19756), (4939, 16252), (5258, 15266), (7633, 10516), (8126, 9878)]