157488978820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{77964841}}^1$

素因数の和:77964951

約数の個数: 24

約数和(自身を含む): 334001383128

約数和(自身を除く): 176512404308

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 77964841, 155929682, 311859364, 389824205, 779648410, 1559296820, 7874448941, 15748897882, 31497795764, 39372244705, 78744489410, 157488978820]

約数ペア:

[(1, 157488978820), (2, 78744489410), (4, 39372244705), (5, 31497795764), (10, 15748897882), (20, 7874448941), (101, 1559296820), (202, 779648410), (404, 389824205), (505, 311859364), (1010, 155929682), (2020, 77964841)]