2560460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18289}}^1$

素因数の和:18305

約数の個数: 24

約数和(自身を含む): 6145440

約数和(自身を除く): 3584980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18289, 36578, 73156, 91445, 128023, 182890, 256046, 365780, 512092, 640115, 1280230, 2560460]

約数ペア:

[(1, 2560460), (2, 1280230), (4, 640115), (5, 512092), (7, 365780), (10, 256046), (14, 182890), (20, 128023), (28, 91445), (35, 73156), (70, 36578), (140, 18289)]