16899280

素因数分解:

$2^4\times 5^1\times {\mathrm{211241}}^1$

素因数の和:211254

約数の個数: 20

約数和(自身を含む): 39291012

約数和(自身を除く): 22391732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211241, 422482, 844964, 1056205, 1689928, 2112410, 3379856, 4224820, 8449640, 16899280]

約数ペア:

[(1, 16899280), (2, 8449640), (4, 4224820), (5, 3379856), (8, 2112410), (10, 1689928), (16, 1056205), (20, 844964), (40, 422482), (80, 211241)]