26619440

素因数分解:

$2^4\times 5^1\times {\mathrm{332743}}^1$

素因数の和:332756

約数の個数: 20

約数和(自身を含む): 61890384

約数和(自身を除く): 35270944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 332743, 665486, 1330972, 1663715, 2661944, 3327430, 5323888, 6654860, 13309720, 26619440]

約数ペア:

[(1, 26619440), (2, 13309720), (4, 6654860), (5, 5323888), (8, 3327430), (10, 2661944), (16, 1663715), (20, 1330972), (40, 665486), (80, 332743)]