325713020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{397211}}^1$

素因数の和:397261

約数の個数: 24

約数和(自身を含む): 700681968

約数和(自身を除く): 374968948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 397211, 794422, 1588844, 1986055, 3972110, 7944220, 16285651, 32571302, 65142604, 81428255, 162856510, 325713020]

約数ペア:

[(1, 325713020), (2, 162856510), (4, 81428255), (5, 65142604), (10, 32571302), (20, 16285651), (41, 7944220), (82, 3972110), (164, 1986055), (205, 1588844), (410, 794422), (820, 397211)]