89642840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320153}}^1$

素因数の和:320171

約数の個数: 32

約数和(自身を含む): 230510880

約数和(自身を除く): 140868040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320153, 640306, 1280612, 1600765, 2241071, 2561224, 3201530, 4482142, 6403060, 8964284, 11205355, 12806120, 17928568, 22410710, 44821420, 89642840]

約数ペア:

[(1, 89642840), (2, 44821420), (4, 22410710), (5, 17928568), (7, 12806120), (8, 11205355), (10, 8964284), (14, 6403060), (20, 4482142), (28, 3201530), (35, 2561224), (40, 2241071), (56, 1600765), (70, 1280612), (140, 640306), (280, 320153)]