1325800940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1541629}}^1$

素因数の和:1541681

約数の個数: 24

約数和(自身を含む): 2848932240

約数和(自身を除く): 1523131300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1541629, 3083258, 6166516, 7708145, 15416290, 30832580, 66290047, 132580094, 265160188, 331450235, 662900470, 1325800940]

約数ペア:

[(1, 1325800940), (2, 662900470), (4, 331450235), (5, 265160188), (10, 132580094), (20, 66290047), (43, 30832580), (86, 15416290), (172, 7708145), (215, 6166516), (430, 3083258), (860, 1541629)]