85810040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29387}}^1$

素因数の和:29471

約数の個数: 32

約数和(自身を含む): 195724080

約数和(自身を除く): 109914040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 29387, 58774, 117548, 146935, 235096, 293870, 587740, 1175480, 2145251, 4290502, 8581004, 10726255, 17162008, 21452510, 42905020, 85810040]

約数ペア:

[(1, 85810040), (2, 42905020), (4, 21452510), (5, 17162008), (8, 10726255), (10, 8581004), (20, 4290502), (40, 2145251), (73, 1175480), (146, 587740), (292, 293870), (365, 235096), (584, 146935), (730, 117548), (1460, 58774), (2920, 29387)]