80685770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2789}}^1$

素因数の和:3070

約数の個数: 32

約数和(自身を含む): 159096960

約数和(自身を除く): 78411190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 1315, 2630, 2789, 2893, 5578, 5786, 13945, 14465, 27890, 28930, 30679, 61358, 153395, 306790, 733507, 1467014, 3667535, 7335070, 8068577, 16137154, 40342885, 80685770]

約数ペア:

[(1, 80685770), (2, 40342885), (5, 16137154), (10, 8068577), (11, 7335070), (22, 3667535), (55, 1467014), (110, 733507), (263, 306790), (526, 153395), (1315, 61358), (2630, 30679), (2789, 28930), (2893, 27890), (5578, 14465), (5786, 13945)]