80067548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 78269092

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 101, 172, 202, 404, 419, 473, 838, 946, 1111, 1676, 1892, 2222, 4343, 4444, 4609, 8686, 9218, 17372, 18017, 18436, 36034, 42319, 47773, 72068, 84638, 95546, 169276, 191092, 198187, 396374, 465509, 792748, 931018, 1819717, 1862036, 3639434, 7278868, 20016887, 40033774, 80067548]

約数ペア:

[(1, 80067548), (2, 40033774), (4, 20016887), (11, 7278868), (22, 3639434), (43, 1862036), (44, 1819717), (86, 931018), (101, 792748), (172, 465509), (202, 396374), (404, 198187), (419, 191092), (473, 169276), (838, 95546), (946, 84638), (1111, 72068), (1676, 47773), (1892, 42319), (2222, 36034), (4343, 18436), (4444, 18017), (4609, 17372), (8686, 9218)]