82844120

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3221}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 186747120

約数和(自身を除く): 103903000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 3221, 5144, 6430, 6442, 12860, 12884, 16105, 25720, 25768, 32210, 64420, 128840, 2071103, 4142206, 8284412, 10355515, 16568824, 20711030, 41422060, 82844120]

約数ペア:

[(1, 82844120), (2, 41422060), (4, 20711030), (5, 16568824), (8, 10355515), (10, 8284412), (20, 4142206), (40, 2071103), (643, 128840), (1286, 64420), (2572, 32210), (3215, 25768), (3221, 25720), (5144, 16105), (6430, 12884), (6442, 12860)]