80531152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{387169}}^1$

素因数の和:387190

約数の個数: 20

約数和(自身を含む): 168031780

約数和(自身を除く): 87500628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 387169, 774338, 1548676, 3097352, 5033197, 6194704, 10066394, 20132788, 40265576, 80531152]

約数ペア:

[(1, 80531152), (2, 40265576), (4, 20132788), (8, 10066394), (13, 6194704), (16, 5033197), (26, 3097352), (52, 1548676), (104, 774338), (208, 387169)]