39816980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284407}}^1$

素因数の和:284423

約数の個数: 24

約数和(自身を含む): 95561088

約数和(自身を除く): 55744108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284407, 568814, 1137628, 1422035, 1990849, 2844070, 3981698, 5688140, 7963396, 9954245, 19908490, 39816980]

約数ペア:

[(1, 39816980), (2, 19908490), (4, 9954245), (5, 7963396), (7, 5688140), (10, 3981698), (14, 2844070), (20, 1990849), (28, 1422035), (35, 1137628), (70, 568814), (140, 284407)]