66483140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81077}}^1$

素因数の和:81127

約数の個数: 24

約数和(自身を含む): 143021592

約数和(自身を除く): 76538452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 81077, 162154, 324308, 405385, 810770, 1621540, 3324157, 6648314, 13296628, 16620785, 33241570, 66483140]

約数ペア:

[(1, 66483140), (2, 33241570), (4, 16620785), (5, 13296628), (10, 6648314), (20, 3324157), (41, 1621540), (82, 810770), (164, 405385), (205, 324308), (410, 162154), (820, 81077)]