2001265820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1\times {\mathrm{2753}}^1$

素因数の和:4694

約数の個数: 48

約数和(自身を含む): 4427771040

約数和(自身を除く): 2426505220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1913, 2753, 3826, 5506, 7652, 9565, 11012, 13765, 19130, 27530, 36347, 38260, 52307, 55060, 72694, 104614, 145388, 181735, 209228, 261535, 363470, 523070, 726940, 1046140, 5266489, 10532978, 21065956, 26332445, 52664890, 100063291, 105329780, 200126582, 400253164, 500316455, 1000632910, 2001265820]

約数ペア:

[(1, 2001265820), (2, 1000632910), (4, 500316455), (5, 400253164), (10, 200126582), (19, 105329780), (20, 100063291), (38, 52664890), (76, 26332445), (95, 21065956), (190, 10532978), (380, 5266489), (1913, 1046140), (2753, 726940), (3826, 523070), (5506, 363470), (7652, 261535), (9565, 209228), (11012, 181735), (13765, 145388), (19130, 104614), (27530, 72694), (36347, 55060), (38260, 52307)]