82239620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20873}}^1$

素因数の和:21079

約数の個数: 24

約数和(自身を含む): 173588184

約数和(自身を除く): 91348564

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 20873, 41746, 83492, 104365, 208730, 417460, 4111981, 8223962, 16447924, 20559905, 41119810, 82239620]

約数ペア:

[(1, 82239620), (2, 41119810), (4, 20559905), (5, 16447924), (10, 8223962), (20, 4111981), (197, 417460), (394, 208730), (788, 104365), (985, 83492), (1970, 41746), (3940, 20873)]