39812920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142189}}^1$

素因数の和:142207

約数の個数: 32

約数和(自身を含む): 102376800

約数和(自身を除く): 62563880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142189, 284378, 568756, 710945, 995323, 1137512, 1421890, 1990646, 2843780, 3981292, 4976615, 5687560, 7962584, 9953230, 19906460, 39812920]

約数ペア:

[(1, 39812920), (2, 19906460), (4, 9953230), (5, 7962584), (7, 5687560), (8, 4976615), (10, 3981292), (14, 2843780), (20, 1990646), (28, 1421890), (35, 1137512), (40, 995323), (56, 710945), (70, 568756), (140, 284378), (280, 142189)]