85756400

素因数分解:

$2^4\times 5^2\times {\mathrm{214391}}^1$

素因数の和:214409

約数の個数: 30

約数和(自身を含む): 206030712

約数和(自身を除く): 120274312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 214391, 428782, 857564, 1071955, 1715128, 2143910, 3430256, 4287820, 5359775, 8575640, 10719550, 17151280, 21439100, 42878200, 85756400]

約数ペア:

[(1, 85756400), (2, 42878200), (4, 21439100), (5, 17151280), (8, 10719550), (10, 8575640), (16, 5359775), (20, 4287820), (25, 3430256), (40, 2143910), (50, 1715128), (80, 1071955), (100, 857564), (200, 428782), (400, 214391)]