80461516

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{490619}}^1$

素因数の和:490664

約数の個数: 12

約数和(自身を含む): 144242280

約数和(自身を除く): 63780764

約数列:

[1, 2, 4, 41, 82, 164, 490619, 981238, 1962476, 20115379, 40230758, 80461516]

約数ペア:

[(1, 80461516), (2, 40230758), (4, 20115379), (41, 1962476), (82, 981238), (164, 490619)]