80857535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 113218560

約数和(自身を除く): 32361025

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1265, 1559, 2255, 4715, 7795, 10373, 17149, 35857, 51865, 63919, 85745, 179285, 319595, 394427, 703109, 1470137, 1972135, 3515545, 7350685, 16171507, 80857535]

約数ペア:

[(1, 80857535), (5, 16171507), (11, 7350685), (23, 3515545), (41, 1972135), (55, 1470137), (115, 703109), (205, 394427), (253, 319595), (451, 179285), (943, 85745), (1265, 63919), (1559, 51865), (2255, 35857), (4715, 17149), (7795, 10373)]