2912854520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1025653}}^1$

素因数の和:1025735

約数の個数: 32

約数和(自身を含む): 6646237920

約数和(自身を除く): 3733383400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 1025653, 2051306, 4102612, 5128265, 8205224, 10256530, 20513060, 41026120, 72821363, 145642726, 291285452, 364106815, 582570904, 728213630, 1456427260, 2912854520]

約数ペア:

[(1, 2912854520), (2, 1456427260), (4, 728213630), (5, 582570904), (8, 364106815), (10, 291285452), (20, 145642726), (40, 72821363), (71, 41026120), (142, 20513060), (284, 10256530), (355, 8205224), (568, 5128265), (710, 4102612), (1420, 2051306), (2840, 1025653)]