86997020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5417}}^1$

素因数の和:5510

約数の個数: 48

約数和(自身を含む): 202069728

約数和(自身を除く): 115072708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 5417, 8030, 10834, 16060, 21668, 27085, 54170, 59587, 108340, 119174, 238348, 297935, 395441, 595870, 790882, 1191740, 1581764, 1977205, 3954410, 4349851, 7908820, 8699702, 17399404, 21749255, 43498510, 86997020]

約数ペア:

[(1, 86997020), (2, 43498510), (4, 21749255), (5, 17399404), (10, 8699702), (11, 7908820), (20, 4349851), (22, 3954410), (44, 1977205), (55, 1581764), (73, 1191740), (110, 790882), (146, 595870), (220, 395441), (292, 297935), (365, 238348), (730, 119174), (803, 108340), (1460, 59587), (1606, 54170), (3212, 27085), (4015, 21668), (5417, 16060), (8030, 10834)]