80990768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266417}}^1$

素因数の和:266444

約数の個数: 20

約数和(自身を含む): 165179160

約数和(自身を除く): 84188392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266417, 532834, 1065668, 2131336, 4262672, 5061923, 10123846, 20247692, 40495384, 80990768]

約数ペア:

[(1, 80990768), (2, 40495384), (4, 20247692), (8, 10123846), (16, 5061923), (19, 4262672), (38, 2131336), (76, 1065668), (152, 532834), (304, 266417)]