80992580

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{37847}}^1$

素因数の和:37963

約数の個数: 24

約数和(自身を含む): 171678528

約数和(自身を除く): 90685948

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 37847, 75694, 151388, 189235, 378470, 756940, 4049629, 8099258, 16198516, 20248145, 40496290, 80992580]

約数ペア:

[(1, 80992580), (2, 40496290), (4, 20248145), (5, 16198516), (10, 8099258), (20, 4049629), (107, 756940), (214, 378470), (428, 189235), (535, 151388), (1070, 75694), (2140, 37847)]