2040261755

素因数分解:

$5^1\times 7^4\times {\mathrm{169951}}^1$

素因数の和:169984

約数の個数: 20

約数和(自身を含む): 2856213312

約数和(自身を除く): 815951557

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 169951, 849755, 1189657, 5948285, 8327599, 41637995, 58293193, 291465965, 408052351, 2040261755]

約数ペア:

[(1, 2040261755), (5, 408052351), (7, 291465965), (35, 58293193), (49, 41637995), (245, 8327599), (343, 5948285), (1715, 1189657), (2401, 849755), (12005, 169951)]