80675720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87691}}^1$

素因数の和:87725

約数の個数: 32

約数和(自身を含む): 189414720

約数和(自身を除く): 108739000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87691, 175382, 350764, 438455, 701528, 876910, 1753820, 2016893, 3507640, 4033786, 8067572, 10084465, 16135144, 20168930, 40337860, 80675720]

約数ペア:

[(1, 80675720), (2, 40337860), (4, 20168930), (5, 16135144), (8, 10084465), (10, 8067572), (20, 4033786), (23, 3507640), (40, 2016893), (46, 1753820), (92, 876910), (115, 701528), (184, 438455), (230, 350764), (460, 175382), (920, 87691)]