42880805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 15179995

約数列:

[1, 5, 11, 55, 71, 79, 139, 355, 395, 695, 781, 869, 1529, 3905, 4345, 5609, 7645, 9869, 10981, 28045, 49345, 54905, 61699, 108559, 120791, 308495, 542795, 603955, 779651, 3898255, 8576161, 42880805]

約数ペア:

[(1, 42880805), (5, 8576161), (11, 3898255), (55, 779651), (71, 603955), (79, 542795), (139, 308495), (355, 120791), (395, 108559), (695, 61699), (781, 54905), (869, 49345), (1529, 28045), (3905, 10981), (4345, 9869), (5609, 7645)]