26618320

素因数分解:

$2^4\times 5^1\times {\mathrm{332729}}^1$

素因数の和:332742

約数の個数: 20

約数和(自身を含む): 61887780

約数和(自身を除く): 35269460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332729, 665458, 1330916, 1663645, 2661832, 3327290, 5323664, 6654580, 13309160, 26618320]

約数ペア:

[(1, 26618320), (2, 13309160), (4, 6654580), (5, 5323664), (8, 3327290), (10, 2661832), (16, 1663645), (20, 1330916), (40, 665458), (80, 332729)]