26541220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18691}}^1$

素因数の和:18771

約数の個数: 24

約数和(自身を含む): 56524608

約数和(自身を除く): 29983388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18691, 37382, 74764, 93455, 186910, 373820, 1327061, 2654122, 5308244, 6635305, 13270610, 26541220]

約数ペア:

[(1, 26541220), (2, 13270610), (4, 6635305), (5, 5308244), (10, 2654122), (20, 1327061), (71, 373820), (142, 186910), (284, 93455), (355, 74764), (710, 37382), (1420, 18691)]