165272720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16267}}^1$

素因数の和:16407

約数の個数: 40

約数和(自身を含む): 387308544

約数和(自身を除く): 222035824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 16267, 32534, 65068, 81335, 130136, 162670, 260272, 325340, 650680, 1301360, 2065909, 4131818, 8263636, 10329545, 16527272, 20659090, 33054544, 41318180, 82636360, 165272720]

約数ペア:

[(1, 165272720), (2, 82636360), (4, 41318180), (5, 33054544), (8, 20659090), (10, 16527272), (16, 10329545), (20, 8263636), (40, 4131818), (80, 2065909), (127, 1301360), (254, 650680), (508, 325340), (635, 260272), (1016, 162670), (1270, 130136), (2032, 81335), (2540, 65068), (5080, 32534), (10160, 16267)]