90693670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{563}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 166289760

約数和(自身を除く): 75596090

約数列:

[1, 2, 5, 10, 89, 178, 181, 362, 445, 563, 890, 905, 1126, 1810, 2815, 5630, 16109, 32218, 50107, 80545, 100214, 101903, 161090, 203806, 250535, 501070, 509515, 1019030, 9069367, 18138734, 45346835, 90693670]

約数ペア:

[(1, 90693670), (2, 45346835), (5, 18138734), (10, 9069367), (89, 1019030), (178, 509515), (181, 501070), (362, 250535), (445, 203806), (563, 161090), (890, 101903), (905, 100214), (1126, 80545), (1810, 50107), (2815, 32218), (5630, 16109)]