2012507920

素因数分解:

$2^4\times 5^1\times {\mathrm{3307}}^1\times {\mathrm{7607}}^1$

素因数の和:10927

約数の個数: 40

約数和(自身を含む): 4681111104

約数和(自身を除く): 2668603184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3307, 6614, 7607, 13228, 15214, 16535, 26456, 30428, 33070, 38035, 52912, 60856, 66140, 76070, 121712, 132280, 152140, 264560, 304280, 608560, 25156349, 50312698, 100625396, 125781745, 201250792, 251563490, 402501584, 503126980, 1006253960, 2012507920]

約数ペア:

[(1, 2012507920), (2, 1006253960), (4, 503126980), (5, 402501584), (8, 251563490), (10, 201250792), (16, 125781745), (20, 100625396), (40, 50312698), (80, 25156349), (3307, 608560), (6614, 304280), (7607, 264560), (13228, 152140), (15214, 132280), (16535, 121712), (26456, 76070), (30428, 66140), (33070, 60856), (38035, 52912)]