79121200

素因数分解:

$2^4\times 5^2\times {\mathrm{197803}}^1$

素因数の和:197821

約数の個数: 30

約数和(自身を含む): 190089644

約数和(自身を除く): 110968444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 197803, 395606, 791212, 989015, 1582424, 1978030, 3164848, 3956060, 4945075, 7912120, 9890150, 15824240, 19780300, 39560600, 79121200]

約数ペア:

[(1, 79121200), (2, 39560600), (4, 19780300), (5, 15824240), (8, 9890150), (10, 7912120), (16, 4945075), (20, 3956060), (25, 3164848), (40, 1978030), (50, 1582424), (80, 989015), (100, 791212), (200, 395606), (400, 197803)]