80861776

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{9929}}^1$

素因数の和:10446

約数の個数: 20

約数和(自身を含む): 156993300

約数和(自身を除く): 76131524

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 9929, 19858, 39716, 79432, 158864, 5053861, 10107722, 20215444, 40430888, 80861776]

約数ペア:

[(1, 80861776), (2, 40430888), (4, 20215444), (8, 10107722), (16, 5053861), (509, 158864), (1018, 79432), (2036, 39716), (4072, 19858), (8144, 9929)]