80837405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 108822528

約数和(自身を除く): 27985123

約数列:

[1, 5, 11, 55, 71, 127, 163, 355, 635, 781, 815, 1397, 1793, 3905, 6985, 8965, 9017, 11573, 20701, 45085, 57865, 99187, 103505, 127303, 227711, 495935, 636515, 1138555, 1469771, 7348855, 16167481, 80837405]

約数ペア:

[(1, 80837405), (5, 16167481), (11, 7348855), (55, 1469771), (71, 1138555), (127, 636515), (163, 495935), (355, 227711), (635, 127303), (781, 103505), (815, 99187), (1397, 57865), (1793, 45085), (3905, 20701), (6985, 11573), (8965, 9017)]