4156400

素因数分解:

$2^4\times 5^2\times {\mathrm{10391}}^1$

素因数の和:10409

約数の個数: 30

約数和(自身を含む): 9986712

約数和(自身を除く): 5830312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10391, 20782, 41564, 51955, 83128, 103910, 166256, 207820, 259775, 415640, 519550, 831280, 1039100, 2078200, 4156400]

約数ペア:

[(1, 4156400), (2, 2078200), (4, 1039100), (5, 831280), (8, 519550), (10, 415640), (16, 259775), (20, 207820), (25, 166256), (40, 103910), (50, 83128), (80, 51955), (100, 41564), (200, 20782), (400, 10391)]