30707920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8167}}^1$

素因数の和:8227

約数の個数: 40

約数和(自身を含む): 72923904

約数和(自身を除く): 42215984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 8167, 16334, 32668, 40835, 65336, 81670, 130672, 163340, 326680, 383849, 653360, 767698, 1535396, 1919245, 3070792, 3838490, 6141584, 7676980, 15353960, 30707920]

約数ペア:

[(1, 30707920), (2, 15353960), (4, 7676980), (5, 6141584), (8, 3838490), (10, 3070792), (16, 1919245), (20, 1535396), (40, 767698), (47, 653360), (80, 383849), (94, 326680), (188, 163340), (235, 130672), (376, 81670), (470, 65336), (752, 40835), (940, 32668), (1880, 16334), (3760, 8167)]