262642420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{130021}}^1$

素因数の和:130131

約数の個数: 24

約数和(自身を含む): 557014248

約数和(自身を除く): 294371828

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 130021, 260042, 520084, 650105, 1300210, 2600420, 13132121, 26264242, 52528484, 65660605, 131321210, 262642420]

約数ペア:

[(1, 262642420), (2, 131321210), (4, 65660605), (5, 52528484), (10, 26264242), (20, 13132121), (101, 2600420), (202, 1300210), (404, 650105), (505, 520084), (1010, 260042), (2020, 130021)]