69256420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31769}}^1$

素因数の和:31887

約数の個数: 24

約数和(自身を含む): 146777400

約数和(自身を除く): 77520980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31769, 63538, 127076, 158845, 317690, 635380, 3462821, 6925642, 13851284, 17314105, 34628210, 69256420]

約数ペア:

[(1, 69256420), (2, 34628210), (4, 17314105), (5, 13851284), (10, 6925642), (20, 3462821), (109, 635380), (218, 317690), (436, 158845), (545, 127076), (1090, 63538), (2180, 31769)]