66497440

素因数分解:

$2^5\times 5^1\times {\mathrm{415609}}^1$

素因数の和:415624

約数の個数: 24

約数和(自身を含む): 157100580

約数和(自身を除く): 90603140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 415609, 831218, 1662436, 2078045, 3324872, 4156090, 6649744, 8312180, 13299488, 16624360, 33248720, 66497440]

約数ペア:

[(1, 66497440), (2, 33248720), (4, 16624360), (5, 13299488), (8, 8312180), (10, 6649744), (16, 4156090), (20, 3324872), (32, 2078045), (40, 1662436), (80, 831218), (160, 415609)]