28262800

素因数分解:

$2^4\times 5^2\times {\mathrm{70657}}^1$

素因数の和:70675

約数の個数: 30

約数和(自身を含む): 67902338

約数和(自身を除く): 39639538

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70657, 141314, 282628, 353285, 565256, 706570, 1130512, 1413140, 1766425, 2826280, 3532850, 5652560, 7065700, 14131400, 28262800]

約数ペア:

[(1, 28262800), (2, 14131400), (4, 7065700), (5, 5652560), (8, 3532850), (10, 2826280), (16, 1766425), (20, 1413140), (25, 1130512), (40, 706570), (50, 565256), (80, 353285), (100, 282628), (200, 141314), (400, 70657)]