82881640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48187}}^1$

素因数の和:48241

約数の個数: 32

約数和(自身を含む): 190824480

約数和(自身を除く): 107942840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 48187, 96374, 192748, 240935, 385496, 481870, 963740, 1927480, 2072041, 4144082, 8288164, 10360205, 16576328, 20720410, 41440820, 82881640]

約数ペア:

[(1, 82881640), (2, 41440820), (4, 20720410), (5, 16576328), (8, 10360205), (10, 8288164), (20, 4144082), (40, 2072041), (43, 1927480), (86, 963740), (172, 481870), (215, 385496), (344, 240935), (430, 192748), (860, 96374), (1720, 48187)]