42338680

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4217}}^1$

素因数の和:4479

約数の個数: 32

約数和(自身を含む): 95664240

約数和(自身を除く): 53325560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 4217, 5020, 8434, 10040, 16868, 21085, 33736, 42170, 84340, 168680, 1058467, 2116934, 4233868, 5292335, 8467736, 10584670, 21169340, 42338680]

約数ペア:

[(1, 42338680), (2, 21169340), (4, 10584670), (5, 8467736), (8, 5292335), (10, 4233868), (20, 2116934), (40, 1058467), (251, 168680), (502, 84340), (1004, 42170), (1255, 33736), (2008, 21085), (2510, 16868), (4217, 10040), (5020, 8434)]