1996240

素因数分解:

$2^4\times 5^1\times {\mathrm{24953}}^1$

素因数の和:24966

約数の個数: 20

約数和(自身を含む): 4641444

約数和(自身を除く): 2645204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24953, 49906, 99812, 124765, 199624, 249530, 399248, 499060, 998120, 1996240]

約数ペア:

[(1, 1996240), (2, 998120), (4, 499060), (5, 399248), (8, 249530), (10, 199624), (16, 124765), (20, 99812), (40, 49906), (80, 24953)]