2021502880

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{125093}}^1$

素因数の和:125209

約数の個数: 48

約数和(自身を含む): 4823124264

約数和(自身を除く): 2801621384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 125093, 250186, 500372, 625465, 1000744, 1250930, 2001488, 2501860, 4002976, 5003720, 10007440, 12634393, 20014880, 25268786, 50537572, 63171965, 101075144, 126343930, 202150288, 252687860, 404300576, 505375720, 1010751440, 2021502880]

約数ペア:

[(1, 2021502880), (2, 1010751440), (4, 505375720), (5, 404300576), (8, 252687860), (10, 202150288), (16, 126343930), (20, 101075144), (32, 63171965), (40, 50537572), (80, 25268786), (101, 20014880), (160, 12634393), (202, 10007440), (404, 5003720), (505, 4002976), (808, 2501860), (1010, 2001488), (1616, 1250930), (2020, 1000744), (3232, 625465), (4040, 500372), (8080, 250186), (16160, 125093)]