78019160

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8161}}^1$

素因数の和:8411

約数の個数: 32

約数和(自身を含む): 176299200

約数和(自身を除く): 98280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 8161, 9560, 16322, 32644, 40805, 65288, 81610, 163220, 326440, 1950479, 3900958, 7801916, 9752395, 15603832, 19504790, 39009580, 78019160]

約数ペア:

[(1, 78019160), (2, 39009580), (4, 19504790), (5, 15603832), (8, 9752395), (10, 7801916), (20, 3900958), (40, 1950479), (239, 326440), (478, 163220), (956, 81610), (1195, 65288), (1912, 40805), (2390, 32644), (4780, 16322), (8161, 9560)]