2015442920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709663}}^1$

素因数の和:709745

約数の個数: 32

約数和(自身を含む): 4598622720

約数和(自身を除く): 2583179800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 709663, 1419326, 2838652, 3548315, 5677304, 7096630, 14193260, 28386520, 50386073, 100772146, 201544292, 251930365, 403088584, 503860730, 1007721460, 2015442920]

約数ペア:

[(1, 2015442920), (2, 1007721460), (4, 503860730), (5, 403088584), (8, 251930365), (10, 201544292), (20, 100772146), (40, 50386073), (71, 28386520), (142, 14193260), (284, 7096630), (355, 5677304), (568, 3548315), (710, 2838652), (1420, 1419326), (2840, 709663)]