80152670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19889}}^1$

素因数の和:19940

約数の個数: 32

約数和(自身を含む): 160392960

約数和(自身を除く): 80240290

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19889, 39778, 99445, 198890, 258557, 517114, 616559, 1233118, 1292785, 2585570, 3082795, 6165590, 8015267, 16030534, 40076335, 80152670]

約数ペア:

[(1, 80152670), (2, 40076335), (5, 16030534), (10, 8015267), (13, 6165590), (26, 3082795), (31, 2585570), (62, 1292785), (65, 1233118), (130, 616559), (155, 517114), (310, 258557), (403, 198890), (806, 99445), (2015, 39778), (4030, 19889)]