85356400

素因数分解:

$2^4\times 5^2\times {\mathrm{213391}}^1$

素因数の和:213409

約数の個数: 30

約数和(自身を含む): 205069712

約数和(自身を除く): 119713312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 213391, 426782, 853564, 1066955, 1707128, 2133910, 3414256, 4267820, 5334775, 8535640, 10669550, 17071280, 21339100, 42678200, 85356400]

約数ペア:

[(1, 85356400), (2, 42678200), (4, 21339100), (5, 17071280), (8, 10669550), (10, 8535640), (16, 5334775), (20, 4267820), (25, 3414256), (40, 2133910), (50, 1707128), (80, 1066955), (100, 853564), (200, 426782), (400, 213391)]