85847980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{42499}}^1$

素因数の和:42609

約数の個数: 24

約数和(自身を含む): 182070000

約数和(自身を除く): 96222020

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 42499, 84998, 169996, 212495, 424990, 849980, 4292399, 8584798, 17169596, 21461995, 42923990, 85847980]

約数ペア:

[(1, 85847980), (2, 42923990), (4, 21461995), (5, 17169596), (10, 8584798), (20, 4292399), (101, 849980), (202, 424990), (404, 212495), (505, 169996), (1010, 84998), (2020, 42499)]