13491760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 31622976

約数和(自身を除く): 18131216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1231, 1370, 2192, 2462, 2740, 4924, 5480, 6155, 9848, 10960, 12310, 19696, 24620, 49240, 98480, 168647, 337294, 674588, 843235, 1349176, 1686470, 2698352, 3372940, 6745880, 13491760]

約数ペア:

[(1, 13491760), (2, 6745880), (4, 3372940), (5, 2698352), (8, 1686470), (10, 1349176), (16, 843235), (20, 674588), (40, 337294), (80, 168647), (137, 98480), (274, 49240), (548, 24620), (685, 19696), (1096, 12310), (1231, 10960), (1370, 9848), (2192, 6155), (2462, 5480), (2740, 4924)]