5645540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 11901120

約数和(自身を除く): 6255580

約数列:

[1, 2, 4, 5, 10, 20, 439, 643, 878, 1286, 1756, 2195, 2572, 3215, 4390, 6430, 8780, 12860, 282277, 564554, 1129108, 1411385, 2822770, 5645540]

約数ペア:

[(1, 5645540), (2, 2822770), (4, 1411385), (5, 1129108), (10, 564554), (20, 282277), (439, 12860), (643, 8780), (878, 6430), (1286, 4390), (1756, 3215), (2195, 2572)]