28802420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84713}}^1$

素因数の和:84739

約数の個数: 24

約数和(自身を含む): 64043784

約数和(自身を除く): 35241364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84713, 169426, 338852, 423565, 847130, 1440121, 1694260, 2880242, 5760484, 7200605, 14401210, 28802420]

約数ペア:

[(1, 28802420), (2, 14401210), (4, 7200605), (5, 5760484), (10, 2880242), (17, 1694260), (20, 1440121), (34, 847130), (68, 423565), (85, 338852), (170, 169426), (340, 84713)]