208164680

素因数分解:

$2^3\times 5^1\times {\mathrm{5204117}}^1$

素因数の和:5204128

約数の個数: 16

約数和(自身を含む): 468370620

約数和(自身を除く): 260205940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5204117, 10408234, 20816468, 26020585, 41632936, 52041170, 104082340, 208164680]

約数ペア:

[(1, 208164680), (2, 104082340), (4, 52041170), (5, 41632936), (8, 26020585), (10, 20816468), (20, 10408234), (40, 5204117)]