80847460

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3967}}^1$

素因数の和:4995

約数の個数: 24

約数和(自身を含む): 169989120

約数和(自身を除く): 89141660

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3967, 4076, 5095, 7934, 10190, 15868, 19835, 20380, 39670, 79340, 4042373, 8084746, 16169492, 20211865, 40423730, 80847460]

約数ペア:

[(1, 80847460), (2, 40423730), (4, 20211865), (5, 16169492), (10, 8084746), (20, 4042373), (1019, 79340), (2038, 39670), (3967, 20380), (4076, 19835), (5095, 15868), (7934, 10190)]