202115180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127921}}^1$

素因数の和:128009

約数の個数: 24

約数和(自身を含む): 429817920

約数和(自身を除く): 227702740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127921, 255842, 511684, 639605, 1279210, 2558420, 10105759, 20211518, 40423036, 50528795, 101057590, 202115180]

約数ペア:

[(1, 202115180), (2, 101057590), (4, 50528795), (5, 40423036), (10, 20211518), (20, 10105759), (79, 2558420), (158, 1279210), (316, 639605), (395, 511684), (790, 255842), (1580, 127921)]