39971220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{666187}}^1$

素因数の和:666199

約数の個数: 24

約数和(自身を含む): 111919584

約数和(自身を除く): 71948364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 666187, 1332374, 1998561, 2664748, 3330935, 3997122, 6661870, 7994244, 9992805, 13323740, 19985610, 39971220]

約数ペア:

[(1, 39971220), (2, 19985610), (3, 13323740), (4, 9992805), (5, 7994244), (6, 6661870), (10, 3997122), (12, 3330935), (15, 2664748), (20, 1998561), (30, 1332374), (60, 666187)]