39980986

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{7993}}^1$

素因数の和:8097

約数の個数: 16

約数和(自身を含む): 62449128

約数和(自身を除く): 22468142

約数列:

[1, 2, 41, 61, 82, 122, 2501, 5002, 7993, 15986, 327713, 487573, 655426, 975146, 19990493, 39980986]

約数ペア:

[(1, 39980986), (2, 19990493), (41, 975146), (61, 655426), (82, 487573), (122, 327713), (2501, 15986), (5002, 7993)]