2920294.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{1946209}}^1$

素因数の和:1946220

約数の個数: 16

約数和(自身を含む): 175158900

約数和(自身を除く): 97310540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1946209, 3892418, 7784836, 9731045, 15569672, 19462090, 38924180, 77848360]

約数ペア:

[(1, 77848360), (2, 38924180), (4, 19462090), (5, 15569672), (8, 9731045), (10, 7784836), (20, 3892418), (40, 1946209)]