66086840

素因数分解:

$2^3\times 5^1\times {\mathrm{1652171}}^1$

素因数の和:1652182

約数の個数: 16

約数和(自身を含む): 148695480

約数和(自身を除く): 82608640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1652171, 3304342, 6608684, 8260855, 13217368, 16521710, 33043420, 66086840]

約数ペア:

[(1, 66086840), (2, 33043420), (4, 16521710), (5, 13217368), (8, 8260855), (10, 6608684), (20, 3304342), (40, 1652171)]