1826120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 4173120

約数和(自身を除く): 2347000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 643, 710, 1286, 1420, 2572, 2840, 3215, 5144, 6430, 12860, 25720, 45653, 91306, 182612, 228265, 365224, 456530, 913060, 1826120]

約数ペア:

[(1, 1826120), (2, 913060), (4, 456530), (5, 365224), (8, 228265), (10, 182612), (20, 91306), (40, 45653), (71, 25720), (142, 12860), (284, 6430), (355, 5144), (568, 3215), (643, 2840), (710, 2572), (1286, 1420)]