806560

素因数分解:

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

素因数の和:157

約数の個数: 36

約数和(自身を含む): 1932714

約数和(自身を除く): 1126154

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5041, 5680, 10082, 11360, 20164, 25205, 40328, 50410, 80656, 100820, 161312, 201640, 403280, 806560]

約数ペア:

[(1, 806560), (2, 403280), (4, 201640), (5, 161312), (8, 100820), (10, 80656), (16, 50410), (20, 40328), (32, 25205), (40, 20164), (71, 11360), (80, 10082), (142, 5680), (160, 5041), (284, 2840), (355, 2272), (568, 1420), (710, 1136)]