66028660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{8233}}^1$

素因数の和:8643

約数の個数: 24

約数和(自身を含む): 139022856

約数和(自身を除く): 72994196

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 8233, 16466, 32932, 41165, 82330, 164660, 3301433, 6602866, 13205732, 16507165, 33014330, 66028660]

約数ペア:

[(1, 66028660), (2, 33014330), (4, 16507165), (5, 13205732), (10, 6602866), (20, 3301433), (401, 164660), (802, 82330), (1604, 41165), (2005, 32932), (4010, 16466), (8020, 8233)]