143779280

素因数分解:

$2^4\times 5^1\times {\mathrm{1797241}}^1$

素因数の和:1797254

約数の個数: 20

約数和(自身を含む): 334287012

約数和(自身を除く): 190507732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1797241, 3594482, 7188964, 8986205, 14377928, 17972410, 28755856, 35944820, 71889640, 143779280]

約数ペア:

[(1, 143779280), (2, 71889640), (4, 35944820), (5, 28755856), (8, 17972410), (10, 14377928), (16, 8986205), (20, 7188964), (40, 3594482), (80, 1797241)]