80740205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 124086144

約数和(自身を除く): 43345939

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 211, 377, 455, 841, 1015, 1055, 1477, 1885, 2639, 2743, 4205, 5887, 6119, 7385, 10933, 13195, 13715, 19201, 29435, 30595, 42833, 54665, 76531, 79547, 96005, 177451, 214165, 382655, 397735, 556829, 887255, 1242157, 2306863, 2784145, 6210785, 11534315, 16148041, 80740205]

約数ペア:

[(1, 80740205), (5, 16148041), (7, 11534315), (13, 6210785), (29, 2784145), (35, 2306863), (65, 1242157), (91, 887255), (145, 556829), (203, 397735), (211, 382655), (377, 214165), (455, 177451), (841, 96005), (1015, 79547), (1055, 76531), (1477, 54665), (1885, 42833), (2639, 30595), (2743, 29435), (4205, 19201), (5887, 13715), (6119, 13195), (7385, 10933)]