205650140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{101807}}^1$

素因数の和:101917

約数の個数: 24

約数和(自身を含む): 436145472

約数和(自身を除く): 230495332

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 101807, 203614, 407228, 509035, 1018070, 2036140, 10282507, 20565014, 41130028, 51412535, 102825070, 205650140]

約数ペア:

[(1, 205650140), (2, 102825070), (4, 51412535), (5, 41130028), (10, 20565014), (20, 10282507), (101, 2036140), (202, 1018070), (404, 509035), (505, 407228), (1010, 203614), (2020, 101807)]