2004408880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{582677}}^1$

素因数の和:582733

約数の個数: 40

約数和(自身を含む): 4768636752

約数和(自身を除く): 2764227872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 582677, 1165354, 2330708, 2913385, 4661416, 5826770, 9322832, 11653540, 23307080, 25055111, 46614160, 50110222, 100220444, 125275555, 200440888, 250551110, 400881776, 501102220, 1002204440, 2004408880]

約数ペア:

[(1, 2004408880), (2, 1002204440), (4, 501102220), (5, 400881776), (8, 250551110), (10, 200440888), (16, 125275555), (20, 100220444), (40, 50110222), (43, 46614160), (80, 25055111), (86, 23307080), (172, 11653540), (215, 9322832), (344, 5826770), (430, 4661416), (688, 2913385), (860, 2330708), (1720, 1165354), (3440, 582677)]