42080990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8467}}^1$

素因数の和:8552

約数の個数: 32

約数和(自身を含む): 87796224

約数和(自身を除く): 45715234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 8467, 16934, 42335, 59269, 84670, 118538, 296345, 592690, 601157, 1202314, 3005785, 4208099, 6011570, 8416198, 21040495, 42080990]

約数ペア:

[(1, 42080990), (2, 21040495), (5, 8416198), (7, 6011570), (10, 4208099), (14, 3005785), (35, 1202314), (70, 601157), (71, 592690), (142, 296345), (355, 118538), (497, 84670), (710, 59269), (994, 42335), (2485, 16934), (4970, 8467)]