201638810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{255239}}^1$

素因数の和:255325

約数の個数: 16

約数和(自身を含む): 367545600

約数和(自身を除く): 165906790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 255239, 510478, 1276195, 2552390, 20163881, 40327762, 100819405, 201638810]

約数ペア:

[(1, 201638810), (2, 100819405), (5, 40327762), (10, 20163881), (79, 2552390), (158, 1276195), (395, 510478), (790, 255239)]