13457320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17707}}^1$

素因数の和:17737

約数の個数: 32

約数和(自身を含む): 31874400

約数和(自身を除く): 18417080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17707, 35414, 70828, 88535, 141656, 177070, 336433, 354140, 672866, 708280, 1345732, 1682165, 2691464, 3364330, 6728660, 13457320]

約数ペア:

[(1, 13457320), (2, 6728660), (4, 3364330), (5, 2691464), (8, 1682165), (10, 1345732), (19, 708280), (20, 672866), (38, 354140), (40, 336433), (76, 177070), (95, 141656), (152, 88535), (190, 70828), (380, 35414), (760, 17707)]