40887496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 86929920

約数和(自身を除く): 46042424

約数列:

[1, 2, 4, 8, 13, 26, 41, 43, 52, 82, 86, 104, 164, 172, 223, 328, 344, 446, 533, 559, 892, 1066, 1118, 1763, 1784, 2132, 2236, 2899, 3526, 4264, 4472, 5798, 7052, 9143, 9589, 11596, 14104, 18286, 19178, 22919, 23192, 36572, 38356, 45838, 73144, 76712, 91676, 118859, 124657, 183352, 237718, 249314, 393149, 475436, 498628, 786298, 950872, 997256, 1572596, 3145192, 5110937, 10221874, 20443748, 40887496]

約数ペア:

[(1, 40887496), (2, 20443748), (4, 10221874), (8, 5110937), (13, 3145192), (26, 1572596), (41, 997256), (43, 950872), (52, 786298), (82, 498628), (86, 475436), (104, 393149), (164, 249314), (172, 237718), (223, 183352), (328, 124657), (344, 118859), (446, 91676), (533, 76712), (559, 73144), (892, 45838), (1066, 38356), (1118, 36572), (1763, 23192), (1784, 22919), (2132, 19178), (2236, 18286), (2899, 14104), (3526, 11596), (4264, 9589), (4472, 9143), (5798, 7052)]