68994280

素因数分解:

$2^3\times 5^1\times {\mathrm{1724857}}^1$

素因数の和:1724868

約数の個数: 16

約数和(自身を含む): 155237220

約数和(自身を除く): 86242940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1724857, 3449714, 6899428, 8624285, 13798856, 17248570, 34497140, 68994280]

約数ペア:

[(1, 68994280), (2, 34497140), (4, 17248570), (5, 13798856), (8, 8624285), (10, 6899428), (20, 3449714), (40, 1724857)]