408068660

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{10733}}^1$

素因数の和:12643

約数の個数: 24

約数和(自身を含む): 857474856

約数和(自身を除く): 449406196

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 7604, 9505, 10733, 19010, 21466, 38020, 42932, 53665, 107330, 214660, 20403433, 40806866, 81613732, 102017165, 204034330, 408068660]

約数ペア:

[(1, 408068660), (2, 204034330), (4, 102017165), (5, 81613732), (10, 40806866), (20, 20403433), (1901, 214660), (3802, 107330), (7604, 53665), (9505, 42932), (10733, 38020), (19010, 21466)]