81368792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5003}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 162129600

約数和(自身を除く): 80760808

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 2033, 4066, 5003, 8132, 10006, 16264, 20012, 40024, 95057, 190114, 380228, 535321, 760456, 1070642, 2141284, 4282568, 10171099, 20342198, 40684396, 81368792]

約数ペア:

[(1, 81368792), (2, 40684396), (4, 20342198), (8, 10171099), (19, 4282568), (38, 2141284), (76, 1070642), (107, 760456), (152, 535321), (214, 380228), (428, 190114), (856, 95057), (2033, 40024), (4066, 20012), (5003, 16264), (8132, 10006)]