80491984

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{26339}}^1$

素因数の和:26538

約数の個数: 20

約数和(自身を含む): 156775680

約数和(自身を除く): 76283696

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 26339, 52678, 105356, 210712, 421424, 5030749, 10061498, 20122996, 40245992, 80491984]

約数ペア:

[(1, 80491984), (2, 40245992), (4, 20122996), (8, 10061498), (16, 5030749), (191, 421424), (382, 210712), (764, 105356), (1528, 52678), (3056, 26339)]