84721660

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{11177}}^1$

素因数の和:11565

約数の個数: 24

約数和(自身を含む): 178400880

約数和(自身を除く): 93679220

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 11177, 22354, 44708, 55885, 111770, 223540, 4236083, 8472166, 16944332, 21180415, 42360830, 84721660]

約数ペア:

[(1, 84721660), (2, 42360830), (4, 21180415), (5, 16944332), (10, 8472166), (20, 4236083), (379, 223540), (758, 111770), (1516, 55885), (1895, 44708), (3790, 22354), (7580, 11177)]