201728180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121523}}^1$

素因数の和:121615

約数の個数: 24

約数和(自身を含む): 428736672

約数和(自身を除く): 227008492

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121523, 243046, 486092, 607615, 1215230, 2430460, 10086409, 20172818, 40345636, 50432045, 100864090, 201728180]

約数ペア:

[(1, 201728180), (2, 100864090), (4, 50432045), (5, 40345636), (10, 20172818), (20, 10086409), (83, 2430460), (166, 1215230), (332, 607615), (415, 486092), (830, 243046), (1660, 121523)]