40288960

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1073

約数の個数: 56

約数和(自身を含む): 96743520

約数和(自身を除く): 56454560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 548, 685, 919, 1096, 1370, 1838, 2192, 2740, 3676, 4384, 4595, 5480, 7352, 8768, 9190, 10960, 14704, 18380, 21920, 29408, 36760, 43840, 58816, 73520, 125903, 147040, 251806, 294080, 503612, 629515, 1007224, 1259030, 2014448, 2518060, 4028896, 5036120, 8057792, 10072240, 20144480, 40288960]

約数ペア:

[(1, 40288960), (2, 20144480), (4, 10072240), (5, 8057792), (8, 5036120), (10, 4028896), (16, 2518060), (20, 2014448), (32, 1259030), (40, 1007224), (64, 629515), (80, 503612), (137, 294080), (160, 251806), (274, 147040), (320, 125903), (548, 73520), (685, 58816), (919, 43840), (1096, 36760), (1370, 29408), (1838, 21920), (2192, 18380), (2740, 14704), (3676, 10960), (4384, 9190), (4595, 8768), (5480, 7352)]