80144584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40559}}^1$

素因数の和:40597

約数の個数: 32

約数和(自身を含む): 170352000

約数和(自身を除く): 90207416

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40559, 81118, 162236, 324472, 527267, 770621, 1054534, 1541242, 2109068, 3082484, 4218136, 6164968, 10018073, 20036146, 40072292, 80144584]

約数ペア:

[(1, 80144584), (2, 40072292), (4, 20036146), (8, 10018073), (13, 6164968), (19, 4218136), (26, 3082484), (38, 2109068), (52, 1541242), (76, 1054534), (104, 770621), (152, 527267), (247, 324472), (494, 162236), (988, 81118), (1976, 40559)]