80387470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2340

約数の個数: 32

約数和(自身を含む): 149960160

約数和(自身を除く): 69572690

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 2203, 3649, 4406, 7298, 11015, 18245, 22030, 36490, 90323, 180646, 196067, 392134, 451615, 903230, 980335, 1960670, 8038747, 16077494, 40193735, 80387470]

約数ペア:

[(1, 80387470), (2, 40193735), (5, 16077494), (10, 8038747), (41, 1960670), (82, 980335), (89, 903230), (178, 451615), (205, 392134), (410, 196067), (445, 180646), (890, 90323), (2203, 36490), (3649, 22030), (4406, 18245), (7298, 11015)]