87318220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{5437}}^1$

素因数の和:5530

約数の個数: 48

約数和(自身を含む): 202815648

約数和(自身を除く): 115497428

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, 5437, 8030, 10874, 16060, 21748, 27185, 54370, 59807, 108740, 119614, 239228, 299035, 396901, 598070, 793802, 1196140, 1587604, 1984505, 3969010, 4365911, 7938020, 8731822, 17463644, 21829555, 43659110, 87318220]

約数ペア:

[(1, 87318220), (2, 43659110), (4, 21829555), (5, 17463644), (10, 8731822), (11, 7938020), (20, 4365911), (22, 3969010), (44, 1984505), (55, 1587604), (73, 1196140), (110, 793802), (146, 598070), (220, 396901), (292, 299035), (365, 239228), (730, 119614), (803, 108740), (1460, 59807), (1606, 54370), (3212, 27185), (4015, 21748), (5437, 16060), (8030, 10874)]