156969660880

素因数分解:

$2^4\times 5^1\times {\mathrm{1962120761}}^1$

素因数の和:1962120774

約数の個数: 20

約数和(自身を含む): 364954461732

約数和(自身を除く): 207984800852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962120761, 3924241522, 7848483044, 9810603805, 15696966088, 19621207610, 31393932176, 39242415220, 78484830440, 156969660880]

約数ペア:

[(1, 156969660880), (2, 78484830440), (4, 39242415220), (5, 31393932176), (8, 19621207610), (10, 15696966088), (16, 9810603805), (20, 7848483044), (40, 3924241522), (80, 1962120761)]