2656551250

素因数分解:

$2^1\times 5^4\times {\mathrm{499}}^1\times {\mathrm{4259}}^1$

素因数の和:4780

約数の個数: 40

約数和(自身を含む): 4990590000

約数和(自身を除く): 2334038750

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 499, 625, 998, 1250, 2495, 4259, 4990, 8518, 12475, 21295, 24950, 42590, 62375, 106475, 124750, 212950, 311875, 532375, 623750, 1064750, 2125241, 2661875, 4250482, 5323750, 10626205, 21252410, 53131025, 106262050, 265655125, 531310250, 1328275625, 2656551250]

約数ペア:

[(1, 2656551250), (2, 1328275625), (5, 531310250), (10, 265655125), (25, 106262050), (50, 53131025), (125, 21252410), (250, 10626205), (499, 5323750), (625, 4250482), (998, 2661875), (1250, 2125241), (2495, 1064750), (4259, 623750), (4990, 532375), (8518, 311875), (12475, 212950), (21295, 124750), (24950, 106475), (42590, 62375)]