2018230322480

素因数分解:

$2^4\times 5^1\times {\mathrm{9049}}^1\times {\mathrm{2787919}}^1$

素因数の和:2796981

約数の個数: 40

約数和(自身を含む): 4692905736000

約数和(自身を除く): 2674675413520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9049, 18098, 36196, 45245, 72392, 90490, 144784, 180980, 361960, 723920, 2787919, 5575838, 11151676, 13939595, 22303352, 27879190, 44606704, 55758380, 111516760, 223033520, 25227879031, 50455758062, 100911516124, 126139395155, 201823032248, 252278790310, 403646064496, 504557580620, 1009115161240, 2018230322480]

約数ペア:

[(1, 2018230322480), (2, 1009115161240), (4, 504557580620), (5, 403646064496), (8, 252278790310), (10, 201823032248), (16, 126139395155), (20, 100911516124), (40, 50455758062), (80, 25227879031), (9049, 223033520), (18098, 111516760), (36196, 55758380), (45245, 44606704), (72392, 27879190), (90490, 22303352), (144784, 13939595), (180980, 11151676), (361960, 5575838), (723920, 2787919)]