1627280

素因数分解:

$2^4\times 5^1\times {\mathrm{20341}}^1$

素因数の和:20354

約数の個数: 20

約数和(自身を含む): 3783612

約数和(自身を除く): 2156332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20341, 40682, 81364, 101705, 162728, 203410, 325456, 406820, 813640, 1627280]

約数ペア:

[(1, 1627280), (2, 813640), (4, 406820), (5, 325456), (8, 203410), (10, 162728), (16, 101705), (20, 81364), (40, 40682), (80, 20341)]