78830320

素因数分解:

$2^4\times 5^1\times {\mathrm{985379}}^1$

素因数の和:985392

約数の個数: 20

約数和(自身を含む): 183280680

約数和(自身を除く): 104450360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985379, 1970758, 3941516, 4926895, 7883032, 9853790, 15766064, 19707580, 39415160, 78830320]

約数ペア:

[(1, 78830320), (2, 39415160), (4, 19707580), (5, 15766064), (8, 9853790), (10, 7883032), (16, 4926895), (20, 3941516), (40, 1970758), (80, 985379)]