2568340

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 5424552

約数和(自身を除く): 2856212

約数列:

[1, 2, 4, 5, 10, 20, 281, 457, 562, 914, 1124, 1405, 1828, 2285, 2810, 4570, 5620, 9140, 128417, 256834, 513668, 642085, 1284170, 2568340]

約数ペア:

[(1, 2568340), (2, 1284170), (4, 642085), (5, 513668), (10, 256834), (20, 128417), (281, 9140), (457, 5620), (562, 4570), (914, 2810), (1124, 2285), (1405, 1828)]