13561580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39887}}^1$

素因数の和:39913

約数の個数: 24

約数和(自身を含む): 30155328

約数和(自身を除く): 16593748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 39887, 79774, 159548, 199435, 398870, 678079, 797740, 1356158, 2712316, 3390395, 6780790, 13561580]

約数ペア:

[(1, 13561580), (2, 6780790), (4, 3390395), (5, 2712316), (10, 1356158), (17, 797740), (20, 678079), (34, 398870), (68, 199435), (85, 159548), (170, 79774), (340, 39887)]