2065640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 4699080

約数和(自身を除く): 2633440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 457, 565, 904, 914, 1130, 1828, 2260, 2285, 3656, 4520, 4570, 9140, 18280, 51641, 103282, 206564, 258205, 413128, 516410, 1032820, 2065640]

約数ペア:

[(1, 2065640), (2, 1032820), (4, 516410), (5, 413128), (8, 258205), (10, 206564), (20, 103282), (40, 51641), (113, 18280), (226, 9140), (452, 4570), (457, 4520), (565, 3656), (904, 2285), (914, 2260), (1130, 1828)]