78745840

素因数分解:

$2^4\times 5^1\times {\mathrm{984323}}^1$

素因数の和:984336

約数の個数: 20

約数和(自身を含む): 183084264

約数和(自身を除く): 104338424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 984323, 1968646, 3937292, 4921615, 7874584, 9843230, 15749168, 19686460, 39372920, 78745840]

約数ペア:

[(1, 78745840), (2, 39372920), (4, 19686460), (5, 15749168), (8, 9843230), (10, 7874584), (16, 4921615), (20, 3937292), (40, 1968646), (80, 984323)]