16888919020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{937}}^1\times {\mathrm{8923}}^1$

素因数の和:9970

約数の個数: 48

約数和(自身を含む): 35860130208

約数和(自身を除く): 18971211188

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 937, 1010, 1874, 2020, 3748, 4685, 8923, 9370, 17846, 18740, 35692, 44615, 89230, 94637, 178460, 189274, 378548, 473185, 901223, 946370, 1802446, 1892740, 3604892, 4506115, 8360851, 9012230, 16721702, 18024460, 33443404, 41804255, 83608510, 167217020, 844445951, 1688891902, 3377783804, 4222229755, 8444459510, 16888919020]

約数ペア:

[(1, 16888919020), (2, 8444459510), (4, 4222229755), (5, 3377783804), (10, 1688891902), (20, 844445951), (101, 167217020), (202, 83608510), (404, 41804255), (505, 33443404), (937, 18024460), (1010, 16721702), (1874, 9012230), (2020, 8360851), (3748, 4506115), (4685, 3604892), (8923, 1892740), (9370, 1802446), (17846, 946370), (18740, 901223), (35692, 473185), (44615, 378548), (89230, 189274), (94637, 178460)]