39638580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{660643}}^1$

素因数の和:660655

約数の個数: 24

約数和(自身を含む): 110988192

約数和(自身を除く): 71349612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 660643, 1321286, 1981929, 2642572, 3303215, 3963858, 6606430, 7927716, 9909645, 13212860, 19819290, 39638580]

約数ペア:

[(1, 39638580), (2, 19819290), (3, 13212860), (4, 9909645), (5, 7927716), (6, 6606430), (10, 3963858), (12, 3303215), (15, 2642572), (20, 1981929), (30, 1321286), (60, 660643)]