40890680

素因数分解:

$2^3\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1091}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 92186640

約数和(自身を除く): 51295960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 937, 1091, 1874, 2182, 3748, 4364, 4685, 5455, 7496, 8728, 9370, 10910, 18740, 21820, 37480, 43640, 1022267, 2044534, 4089068, 5111335, 8178136, 10222670, 20445340, 40890680]

約数ペア:

[(1, 40890680), (2, 20445340), (4, 10222670), (5, 8178136), (8, 5111335), (10, 4089068), (20, 2044534), (40, 1022267), (937, 43640), (1091, 37480), (1874, 21820), (2182, 18740), (3748, 10910), (4364, 9370), (4685, 8728), (5455, 7496)]