81832760

素因数分解:

$2^3\times 5^1\times {\mathrm{2045819}}^1$

素因数の和:2045830

約数の個数: 16

約数和(自身を含む): 184123800

約数和(自身を除く): 102291040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2045819, 4091638, 8183276, 10229095, 16366552, 20458190, 40916380, 81832760]

約数ペア:

[(1, 81832760), (2, 40916380), (4, 20458190), (5, 16366552), (8, 10229095), (10, 8183276), (20, 4091638), (40, 2045819)]