2019990040

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{58789}}^1$

素因数の和:59659

約数の個数: 32

約数和(自身を含む): 4550346000

約数和(自身を除く): 2530355960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 6872, 8590, 17180, 34360, 58789, 117578, 235156, 293945, 470312, 587890, 1175780, 2351560, 50499751, 100999502, 201999004, 252498755, 403998008, 504997510, 1009995020, 2019990040]

約数ペア:

[(1, 2019990040), (2, 1009995020), (4, 504997510), (5, 403998008), (8, 252498755), (10, 201999004), (20, 100999502), (40, 50499751), (859, 2351560), (1718, 1175780), (3436, 587890), (4295, 470312), (6872, 293945), (8590, 235156), (17180, 117578), (34360, 58789)]