166780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 362880

約数和(自身を除く): 196100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 538, 620, 1076, 1345, 2690, 5380, 8339, 16678, 33356, 41695, 83390, 166780]

約数ペア:

[(1, 166780), (2, 83390), (4, 41695), (5, 33356), (10, 16678), (20, 8339), (31, 5380), (62, 2690), (124, 1345), (155, 1076), (269, 620), (310, 538)]