28698640

素因数分解:

$2^4\times 5^1\times {\mathrm{358733}}^1$

素因数の和:358746

約数の個数: 20

約数和(自身を含む): 66724524

約数和(自身を除く): 38025884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358733, 717466, 1434932, 1793665, 2869864, 3587330, 5739728, 7174660, 14349320, 28698640]

約数ペア:

[(1, 28698640), (2, 14349320), (4, 7174660), (5, 5739728), (8, 3587330), (10, 2869864), (16, 1793665), (20, 1434932), (40, 717466), (80, 358733)]