38281780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26959}}^1$

素因数の和:27039

約数の個数: 24

約数和(自身を含む): 81527040

約数和(自身を除く): 43245260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 26959, 53918, 107836, 134795, 269590, 539180, 1914089, 3828178, 7656356, 9570445, 19140890, 38281780]

約数ペア:

[(1, 38281780), (2, 19140890), (4, 9570445), (5, 7656356), (10, 3828178), (20, 1914089), (71, 539180), (142, 269590), (284, 134795), (355, 107836), (710, 53918), (1420, 26959)]