2020403750

素因数分解:

$2^1\times 5^4\times {\mathrm{811}}^1\times {\mathrm{1993}}^1$

素因数の和:2826

約数の個数: 40

約数和(自身を含む): 3793616904

約数和(自身を除く): 1773213154

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 811, 1250, 1622, 1993, 3986, 4055, 8110, 9965, 19930, 20275, 40550, 49825, 99650, 101375, 202750, 249125, 498250, 506875, 1013750, 1245625, 1616323, 2491250, 3232646, 8081615, 16163230, 40408075, 80816150, 202040375, 404080750, 1010201875, 2020403750]

約数ペア:

[(1, 2020403750), (2, 1010201875), (5, 404080750), (10, 202040375), (25, 80816150), (50, 40408075), (125, 16163230), (250, 8081615), (625, 3232646), (811, 2491250), (1250, 1616323), (1622, 1245625), (1993, 1013750), (3986, 506875), (4055, 498250), (8110, 249125), (9965, 202750), (19930, 101375), (20275, 99650), (40550, 49825)]