80780836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1319}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 144365760

約数和(自身を除く): 63584924

約数列:

[1, 2, 4, 61, 122, 244, 251, 502, 1004, 1319, 2638, 5276, 15311, 30622, 61244, 80459, 160918, 321836, 331069, 662138, 1324276, 20195209, 40390418, 80780836]

約数ペア:

[(1, 80780836), (2, 40390418), (4, 20195209), (61, 1324276), (122, 662138), (244, 331069), (251, 321836), (502, 160918), (1004, 80459), (1319, 61244), (2638, 30622), (5276, 15311)]