71336680

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2081}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 160772040

約数和(自身を除く): 89435360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 2081, 3428, 4162, 4285, 6856, 8324, 8570, 10405, 16648, 17140, 20810, 34280, 41620, 83240, 1783417, 3566834, 7133668, 8917085, 14267336, 17834170, 35668340, 71336680]

約数ペア:

[(1, 71336680), (2, 35668340), (4, 17834170), (5, 14267336), (8, 8917085), (10, 7133668), (20, 3566834), (40, 1783417), (857, 83240), (1714, 41620), (2081, 34280), (3428, 20810), (4162, 17140), (4285, 16648), (6856, 10405), (8324, 8570)]