20101873225

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1\times {\mathrm{1433}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 28934219520

約数和(自身を除く): 8832346295

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1129, 1433, 1775, 2485, 5645, 7165, 7903, 10031, 12425, 28225, 35825, 39515, 50155, 80159, 101743, 197575, 250775, 400795, 508715, 561113, 712201, 1617857, 2003975, 2543575, 2805565, 3561005, 8089285, 11324999, 14027825, 17805025, 40446425, 56624995, 114867847, 283124975, 574339235, 804074929, 2871696175, 4020374645, 20101873225]

約数ペア:

[(1, 20101873225), (5, 4020374645), (7, 2871696175), (25, 804074929), (35, 574339235), (71, 283124975), (175, 114867847), (355, 56624995), (497, 40446425), (1129, 17805025), (1433, 14027825), (1775, 11324999), (2485, 8089285), (5645, 3561005), (7165, 2805565), (7903, 2543575), (10031, 2003975), (12425, 1617857), (28225, 712201), (35825, 561113), (39515, 508715), (50155, 400795), (80159, 250775), (101743, 197575)]