205104740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{101537}}^1$

素因数の和:101647

約数の個数: 24

約数和(自身を含む): 434988792

約数和(自身を除く): 229884052

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 101537, 203074, 406148, 507685, 1015370, 2030740, 10255237, 20510474, 41020948, 51276185, 102552370, 205104740]

約数ペア:

[(1, 205104740), (2, 102552370), (4, 51276185), (5, 41020948), (10, 20510474), (20, 10255237), (101, 2030740), (202, 1015370), (404, 507685), (505, 406148), (1010, 203074), (2020, 101537)]