85192400

素因数分解:

$2^4\times 5^2\times {\mathrm{212981}}^1$

素因数の和:212999

約数の個数: 30

約数和(自身を含む): 204675702

約数和(自身を除く): 119483302

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 212981, 425962, 851924, 1064905, 1703848, 2129810, 3407696, 4259620, 5324525, 8519240, 10649050, 17038480, 21298100, 42596200, 85192400]

約数ペア:

[(1, 85192400), (2, 42596200), (4, 21298100), (5, 17038480), (8, 10649050), (10, 8519240), (16, 5324525), (20, 4259620), (25, 3407696), (40, 2129810), (50, 1703848), (80, 1064905), (100, 851924), (200, 425962), (400, 212981)]