38962960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5021}}^1$

素因数の和:5131

約数の個数: 40

約数和(自身を含む): 91541016

約数和(自身を除く): 52578056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 5021, 7760, 10042, 20084, 25105, 40168, 50210, 80336, 100420, 200840, 401680, 487037, 974074, 1948148, 2435185, 3896296, 4870370, 7792592, 9740740, 19481480, 38962960]

約数ペア:

[(1, 38962960), (2, 19481480), (4, 9740740), (5, 7792592), (8, 4870370), (10, 3896296), (16, 2435185), (20, 1948148), (40, 974074), (80, 487037), (97, 401680), (194, 200840), (388, 100420), (485, 80336), (776, 50210), (970, 40168), (1552, 25105), (1940, 20084), (3880, 10042), (5021, 7760)]