680090920

素因数分解:

$2^3\times 5^1\times {\mathrm{17002273}}^1$

素因数の和:17002284

約数の個数: 16

約数和(自身を含む): 1530204660

約数和(自身を除く): 850113740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17002273, 34004546, 68009092, 85011365, 136018184, 170022730, 340045460, 680090920]

約数ペア:

[(1, 680090920), (2, 340045460), (4, 170022730), (5, 136018184), (8, 85011365), (10, 68009092), (20, 34004546), (40, 17002273)]