12321340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8677}}^1$

素因数の和:8757

約数の個数: 24

約数和(自身を含む): 26242272

約数和(自身を除く): 13920932

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8677, 17354, 34708, 43385, 86770, 173540, 616067, 1232134, 2464268, 3080335, 6160670, 12321340]

約数ペア:

[(1, 12321340), (2, 6160670), (4, 3080335), (5, 2464268), (10, 1232134), (20, 616067), (71, 173540), (142, 86770), (284, 43385), (355, 34708), (710, 17354), (1420, 8677)]