68889460

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{13723}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 145254816

約数和(自身を除く): 76365356

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 13723, 27446, 54892, 68615, 137230, 274460, 3444473, 6888946, 13777892, 17222365, 34444730, 68889460]

約数ペア:

[(1, 68889460), (2, 34444730), (4, 17222365), (5, 13777892), (10, 6888946), (20, 3444473), (251, 274460), (502, 137230), (1004, 68615), (1255, 54892), (2510, 27446), (5020, 13723)]