77925920

素因数分解:

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

素因数の和:5133

約数の個数: 48

約数和(自身を含む): 186034968

約数和(自身を除く): 108109048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5021, 7760, 10042, 15520, 20084, 25105, 40168, 50210, 80336, 100420, 160672, 200840, 401680, 487037, 803360, 974074, 1948148, 2435185, 3896296, 4870370, 7792592, 9740740, 15585184, 19481480, 38962960, 77925920]

約数ペア:

[(1, 77925920), (2, 38962960), (4, 19481480), (5, 15585184), (8, 9740740), (10, 7792592), (16, 4870370), (20, 3896296), (32, 2435185), (40, 1948148), (80, 974074), (97, 803360), (160, 487037), (194, 401680), (388, 200840), (485, 160672), (776, 100420), (970, 80336), (1552, 50210), (1940, 40168), (3104, 25105), (3880, 20084), (5021, 15520), (7760, 10042)]