13138960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9661}}^1$

素因数の和:9691

約数の個数: 40

約数和(自身を含む): 32348376

約数和(自身を除く): 19209416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9661, 19322, 38644, 48305, 77288, 96610, 154576, 164237, 193220, 328474, 386440, 656948, 772880, 821185, 1313896, 1642370, 2627792, 3284740, 6569480, 13138960]

約数ペア:

[(1, 13138960), (2, 6569480), (4, 3284740), (5, 2627792), (8, 1642370), (10, 1313896), (16, 821185), (17, 772880), (20, 656948), (34, 386440), (40, 328474), (68, 193220), (80, 164237), (85, 154576), (136, 96610), (170, 77288), (272, 48305), (340, 38644), (680, 19322), (1360, 9661)]