28467280

素因数分解:

$2^4\times 5^1\times {\mathrm{355841}}^1$

素因数の和:355854

約数の個数: 20

約数和(自身を含む): 66186612

約数和(自身を除く): 37719332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355841, 711682, 1423364, 1779205, 2846728, 3558410, 5693456, 7116820, 14233640, 28467280]

約数ペア:

[(1, 28467280), (2, 14233640), (4, 7116820), (5, 5693456), (8, 3558410), (10, 2846728), (16, 1779205), (20, 1423364), (40, 711682), (80, 355841)]