2005017920

素因数分解:

$2^6\times 5^1\times {\mathrm{6265681}}^1$

素因数の和:6265698

約数の個数: 28

約数和(自身を含む): 4774449684

約数和(自身を除く): 2769431764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6265681, 12531362, 25062724, 31328405, 50125448, 62656810, 100250896, 125313620, 200501792, 250627240, 401003584, 501254480, 1002508960, 2005017920]

約数ペア:

[(1, 2005017920), (2, 1002508960), (4, 501254480), (5, 401003584), (8, 250627240), (10, 200501792), (16, 125313620), (20, 100250896), (32, 62656810), (40, 50125448), (64, 31328405), (80, 25062724), (160, 12531362), (320, 6265681)]