85026880

素因数分解:

$2^6\times 5^1\times {\mathrm{265709}}^1$

素因数の和:265726

約数の個数: 28

約数和(自身を含む): 202471020

約数和(自身を除く): 117444140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 265709, 531418, 1062836, 1328545, 2125672, 2657090, 4251344, 5314180, 8502688, 10628360, 17005376, 21256720, 42513440, 85026880]

約数ペア:

[(1, 85026880), (2, 42513440), (4, 21256720), (5, 17005376), (8, 10628360), (10, 8502688), (16, 5314180), (20, 4251344), (32, 2657090), (40, 2125672), (64, 1328545), (80, 1062836), (160, 531418), (320, 265709)]