40203760

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2551}}^1$

素因数の和:2761

約数の個数: 40

約数和(自身を含む): 93985056

約数和(自身を除く): 53781296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2551, 3152, 3940, 5102, 7880, 10204, 12755, 15760, 20408, 25510, 40816, 51020, 102040, 204080, 502547, 1005094, 2010188, 2512735, 4020376, 5025470, 8040752, 10050940, 20101880, 40203760]

約数ペア:

[(1, 40203760), (2, 20101880), (4, 10050940), (5, 8040752), (8, 5025470), (10, 4020376), (16, 2512735), (20, 2010188), (40, 1005094), (80, 502547), (197, 204080), (394, 102040), (788, 51020), (985, 40816), (1576, 25510), (1970, 20408), (2551, 15760), (3152, 12755), (3940, 10204), (5102, 7880)]