5136680

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 11624040

約数和(自身を除く): 6487360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 457, 562, 914, 1124, 1405, 1828, 2248, 2285, 2810, 3656, 4570, 5620, 9140, 11240, 18280, 128417, 256834, 513668, 642085, 1027336, 1284170, 2568340, 5136680]

約数ペア:

[(1, 5136680), (2, 2568340), (4, 1284170), (5, 1027336), (8, 642085), (10, 513668), (20, 256834), (40, 128417), (281, 18280), (457, 11240), (562, 9140), (914, 5620), (1124, 4570), (1405, 3656), (1828, 2810), (2248, 2285)]