66707720

素因数分解:

$2^3\times 5^1\times {\mathrm{1667693}}^1$

素因数の和:1667704

約数の個数: 16

約数和(自身を含む): 150092460

約数和(自身を除く): 83384740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667693, 3335386, 6670772, 8338465, 13341544, 16676930, 33353860, 66707720]

約数ペア:

[(1, 66707720), (2, 33353860), (4, 16676930), (5, 13341544), (8, 8338465), (10, 6670772), (20, 3335386), (40, 1667693)]