66820360

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4957}}^1$

素因数の和:5305

約数の個数: 32

約数和(自身を含む): 150822360

約数和(自身を除く): 84002000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4957, 6740, 9914, 13480, 19828, 24785, 39656, 49570, 99140, 198280, 1670509, 3341018, 6682036, 8352545, 13364072, 16705090, 33410180, 66820360]

約数ペア:

[(1, 66820360), (2, 33410180), (4, 16705090), (5, 13364072), (8, 8352545), (10, 6682036), (20, 3341018), (40, 1670509), (337, 198280), (674, 99140), (1348, 49570), (1685, 39656), (2696, 24785), (3370, 19828), (4957, 13480), (6740, 9914)]