28602820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16069}}^1$

素因数の和:16167

約数の個数: 24

約数和(自身を含む): 60744600

約数和(自身を除く): 32141780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16069, 32138, 64276, 80345, 160690, 321380, 1430141, 2860282, 5720564, 7150705, 14301410, 28602820]

約数ペア:

[(1, 28602820), (2, 14301410), (4, 7150705), (5, 5720564), (10, 2860282), (20, 1430141), (89, 321380), (178, 160690), (356, 80345), (445, 64276), (890, 32138), (1780, 16069)]