40390390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4523}}^1$

素因数の和:4596

約数の個数: 32

約数和(自身を含む): 78174720

約数和(自身を除く): 37784330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 4523, 8930, 9046, 22615, 45230, 85937, 171874, 212581, 425162, 429685, 859370, 1062905, 2125810, 4039039, 8078078, 20195195, 40390390]

約数ペア:

[(1, 40390390), (2, 20195195), (5, 8078078), (10, 4039039), (19, 2125810), (38, 1062905), (47, 859370), (94, 429685), (95, 425162), (190, 212581), (235, 171874), (470, 85937), (893, 45230), (1786, 22615), (4465, 9046), (4523, 8930)]