87967540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{31643}}^1$

素因数の和:31791

約数の個数: 24

約数和(自身を含む): 186066720

約数和(自身を除く): 98099180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 31643, 63286, 126572, 158215, 316430, 632860, 4398377, 8796754, 17593508, 21991885, 43983770, 87967540]

約数ペア:

[(1, 87967540), (2, 43983770), (4, 21991885), (5, 17593508), (10, 8796754), (20, 4398377), (139, 632860), (278, 316430), (556, 158215), (695, 126572), (1390, 63286), (2780, 31643)]