78620984060

素因数分解:

$2^2\times 5^1\times {\mathrm{3931049203}}^1$

素因数の和:3931049212

約数の個数: 12

約数和(自身を含む): 165104066568

約数和(自身を除く): 86483082508

約数列:

[1, 2, 4, 5, 10, 20, 3931049203, 7862098406, 15724196812, 19655246015, 39310492030, 78620984060]

約数ペア:

[(1, 78620984060), (2, 39310492030), (4, 19655246015), (5, 15724196812), (10, 7862098406), (20, 3931049203)]