80039290

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{9749}}^1$

素因数の和:10577

約数の個数: 16

約数和(自身を含む): 144261000

約数和(自身を除く): 64221710

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 9749, 19498, 48745, 97490, 8003929, 16007858, 40019645, 80039290]

約数ペア:

[(1, 80039290), (2, 40019645), (5, 16007858), (10, 8003929), (821, 97490), (1642, 48745), (4105, 19498), (8210, 9749)]