2179672760

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{42209}}^1$

素因数の和:43511

約数の個数: 32

約数和(自身を含む): 4908178800

約数和(自身を除く): 2728506040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 5164, 6455, 10328, 12910, 25820, 42209, 51640, 84418, 168836, 211045, 337672, 422090, 844180, 1688360, 54491819, 108983638, 217967276, 272459095, 435934552, 544918190, 1089836380, 2179672760]

約数ペア:

[(1, 2179672760), (2, 1089836380), (4, 544918190), (5, 435934552), (8, 272459095), (10, 217967276), (20, 108983638), (40, 54491819), (1291, 1688360), (2582, 844180), (5164, 422090), (6455, 337672), (10328, 211045), (12910, 168836), (25820, 84418), (42209, 51640)]