7888926680

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{208261}}^1$

素因数の和:209219

約数の個数: 32

約数和(自身を含む): 17768913840

約数和(自身を除く): 9879987160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4735, 7576, 9470, 18940, 37880, 208261, 416522, 833044, 1041305, 1666088, 2082610, 4165220, 8330440, 197223167, 394446334, 788892668, 986115835, 1577785336, 1972231670, 3944463340, 7888926680]

約数ペア:

[(1, 7888926680), (2, 3944463340), (4, 1972231670), (5, 1577785336), (8, 986115835), (10, 788892668), (20, 394446334), (40, 197223167), (947, 8330440), (1894, 4165220), (3788, 2082610), (4735, 1666088), (7576, 1041305), (9470, 833044), (18940, 416522), (37880, 208261)]