142691440

素因数分解:

$2^4\times 5^1\times {\mathrm{1783643}}^1$

素因数の和:1783656

約数の個数: 20

約数和(自身を含む): 331757784

約数和(自身を除く): 189066344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1783643, 3567286, 7134572, 8918215, 14269144, 17836430, 28538288, 35672860, 71345720, 142691440]

約数ペア:

[(1, 142691440), (2, 71345720), (4, 35672860), (5, 28538288), (8, 17836430), (10, 14269144), (16, 8918215), (20, 7134572), (40, 3567286), (80, 1783643)]