2000556400

素因数分解:

$2^4\times 5^2\times {\mathrm{5001391}}^1$

素因数の和:5001409

約数の個数: 30

約数和(自身を含む): 4806337712

約数和(自身を除く): 2805781312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5001391, 10002782, 20005564, 25006955, 40011128, 50013910, 80022256, 100027820, 125034775, 200055640, 250069550, 400111280, 500139100, 1000278200, 2000556400]

約数ペア:

[(1, 2000556400), (2, 1000278200), (4, 500139100), (5, 400111280), (8, 250069550), (10, 200055640), (16, 125034775), (20, 100027820), (25, 80022256), (40, 50013910), (50, 40011128), (80, 25006955), (100, 20005564), (200, 10002782), (400, 5001391)]