39838540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284561}}^1$

素因数の和:284577

約数の個数: 24

約数和(自身を含む): 95612832

約数和(自身を除く): 55774292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284561, 569122, 1138244, 1422805, 1991927, 2845610, 3983854, 5691220, 7967708, 9959635, 19919270, 39838540]

約数ペア:

[(1, 39838540), (2, 19919270), (4, 9959635), (5, 7967708), (7, 5691220), (10, 3983854), (14, 2845610), (20, 1991927), (28, 1422805), (35, 1138244), (70, 569122), (140, 284561)]