77258800

素因数分解:

$2^4\times 5^2\times {\mathrm{193147}}^1$

素因数の和:193165

約数の個数: 30

約数和(自身を含む): 185615228

約数和(自身を除く): 108356428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 193147, 386294, 772588, 965735, 1545176, 1931470, 3090352, 3862940, 4828675, 7725880, 9657350, 15451760, 19314700, 38629400, 77258800]

約数ペア:

[(1, 77258800), (2, 38629400), (4, 19314700), (5, 15451760), (8, 9657350), (10, 7725880), (16, 4828675), (20, 3862940), (25, 3090352), (40, 1931470), (50, 1545176), (80, 965735), (100, 772588), (200, 386294), (400, 193147)]