8789140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3889}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 18625320

約数和(自身を除く): 9836180

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 3889, 7778, 15556, 19445, 38890, 77780, 439457, 878914, 1757828, 2197285, 4394570, 8789140]

約数ペア:

[(1, 8789140), (2, 4394570), (4, 2197285), (5, 1757828), (10, 878914), (20, 439457), (113, 77780), (226, 38890), (452, 19445), (565, 15556), (1130, 7778), (2260, 3889)]