84362780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136069}}^1$

素因数の和:136109

約数の個数: 24

約数和(自身を含む): 182878080

約数和(自身を除く): 98515300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 136069, 272138, 544276, 680345, 1360690, 2721380, 4218139, 8436278, 16872556, 21090695, 42181390, 84362780]

約数ペア:

[(1, 84362780), (2, 42181390), (4, 21090695), (5, 16872556), (10, 8436278), (20, 4218139), (31, 2721380), (62, 1360690), (124, 680345), (155, 544276), (310, 272138), (620, 136069)]