81325130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{428027}}^1$

素因数の和:428053

約数の個数: 16

約数和(自身を含む): 154090080

約数和(自身を除く): 72764950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 428027, 856054, 2140135, 4280270, 8132513, 16265026, 40662565, 81325130]

約数ペア:

[(1, 81325130), (2, 40662565), (5, 16265026), (10, 8132513), (19, 4280270), (38, 2140135), (95, 856054), (190, 428027)]