20131121440

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2373953}}^1$

素因数の和:2374021

約数の個数: 48

約数和(自身を含む): 48457149048

約数和(自身を除く): 28326027608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 2373953, 4747906, 9495812, 11869765, 18991624, 23739530, 37983248, 47479060, 75966496, 94958120, 125819509, 189916240, 251639018, 379832480, 503278036, 629097545, 1006556072, 1258195090, 2013112144, 2516390180, 4026224288, 5032780360, 10065560720, 20131121440]

約数ペア:

[(1, 20131121440), (2, 10065560720), (4, 5032780360), (5, 4026224288), (8, 2516390180), (10, 2013112144), (16, 1258195090), (20, 1006556072), (32, 629097545), (40, 503278036), (53, 379832480), (80, 251639018), (106, 189916240), (160, 125819509), (212, 94958120), (265, 75966496), (424, 47479060), (530, 37983248), (848, 23739530), (1060, 18991624), (1696, 11869765), (2120, 9495812), (4240, 4747906), (8480, 2373953)]