78852080

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5107}}^1$

素因数の和:5313

約数の個数: 40

約数和(自身を含む): 184317072

約数和(自身を除く): 105464992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 5107, 7720, 10214, 15440, 20428, 25535, 40856, 51070, 81712, 102140, 204280, 408560, 985651, 1971302, 3942604, 4928255, 7885208, 9856510, 15770416, 19713020, 39426040, 78852080]

約数ペア:

[(1, 78852080), (2, 39426040), (4, 19713020), (5, 15770416), (8, 9856510), (10, 7885208), (16, 4928255), (20, 3942604), (40, 1971302), (80, 985651), (193, 408560), (386, 204280), (772, 102140), (965, 81712), (1544, 51070), (1930, 40856), (3088, 25535), (3860, 20428), (5107, 15440), (7720, 10214)]