138682360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{25307}}^1$

素因数の和:25455

約数の個数: 32

約数和(自身を含む): 314325360

約数和(自身を除く): 175643000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 25307, 50614, 101228, 126535, 202456, 253070, 506140, 1012280, 3467059, 6934118, 13868236, 17335295, 27736472, 34670590, 69341180, 138682360]

約数ペア:

[(1, 138682360), (2, 69341180), (4, 34670590), (5, 27736472), (8, 17335295), (10, 13868236), (20, 6934118), (40, 3467059), (137, 1012280), (274, 506140), (548, 253070), (685, 202456), (1096, 126535), (1370, 101228), (2740, 50614), (5480, 25307)]