80235812

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{20873}}^1$

素因数の和:20939

約数の個数: 18

約数和(自身を含む): 145095174

約数和(自身を除く): 64859362

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 20873, 41746, 83492, 647063, 1294126, 2588252, 20058953, 40117906, 80235812]

約数ペア:

[(1, 80235812), (2, 40117906), (4, 20058953), (31, 2588252), (62, 1294126), (124, 647063), (961, 83492), (1922, 41746), (3844, 20873)]