40844240

素因数分解:

$2^4\times 5^1\times {\mathrm{510553}}^1$

素因数の和:510566

約数の個数: 20

約数和(自身を含む): 94963044

約数和(自身を除く): 54118804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510553, 1021106, 2042212, 2552765, 4084424, 5105530, 8168848, 10211060, 20422120, 40844240]

約数ペア:

[(1, 40844240), (2, 20422120), (4, 10211060), (5, 8168848), (8, 5105530), (10, 4084424), (16, 2552765), (20, 2042212), (40, 1021106), (80, 510553)]