66182180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{37181}}^1$

素因数の和:37279

約数の個数: 24

約数和(自身を含む): 140547960

約数和(自身を除く): 74365780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 37181, 74362, 148724, 185905, 371810, 743620, 3309109, 6618218, 13236436, 16545545, 33091090, 66182180]

約数ペア:

[(1, 66182180), (2, 33091090), (4, 16545545), (5, 13236436), (10, 6618218), (20, 3309109), (89, 743620), (178, 371810), (356, 185905), (445, 148724), (890, 74362), (1780, 37181)]