26921420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32831}}^1$

素因数の和:32881

約数の個数: 24

約数和(自身を含む): 57915648

約数和(自身を除く): 30994228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 32831, 65662, 131324, 164155, 328310, 656620, 1346071, 2692142, 5384284, 6730355, 13460710, 26921420]

約数ペア:

[(1, 26921420), (2, 13460710), (4, 6730355), (5, 5384284), (10, 2692142), (20, 1346071), (41, 656620), (82, 328310), (164, 164155), (205, 131324), (410, 65662), (820, 32831)]