80497505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 109219968

約数和(自身を除く): 28722463

約数列:

[1, 5, 11, 43, 55, 101, 215, 337, 473, 505, 1111, 1685, 2365, 3707, 4343, 5555, 14491, 18535, 21715, 34037, 47773, 72455, 159401, 170185, 238865, 374407, 797005, 1463591, 1872035, 7317955, 16099501, 80497505]

約数ペア:

[(1, 80497505), (5, 16099501), (11, 7317955), (43, 1872035), (55, 1463591), (101, 797005), (215, 374407), (337, 238865), (473, 170185), (505, 159401), (1111, 72455), (1685, 47773), (2365, 34037), (3707, 21715), (4343, 18535), (5555, 14491)]