39204140

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2423}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 82464480

約数和(自身を除く): 43260340

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 2423, 3236, 4045, 4846, 8090, 9692, 12115, 16180, 24230, 48460, 1960207, 3920414, 7840828, 9801035, 19602070, 39204140]

約数ペア:

[(1, 39204140), (2, 19602070), (4, 9801035), (5, 7840828), (10, 3920414), (20, 1960207), (809, 48460), (1618, 24230), (2423, 16180), (3236, 12115), (4045, 9692), (4846, 8090)]