85990720

素因数分解:

$2^6\times 5^1\times {\mathrm{268721}}^1$

素因数の和:268738

約数の個数: 28

約数和(自身を含む): 204766164

約数和(自身を除く): 118775444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 268721, 537442, 1074884, 1343605, 2149768, 2687210, 4299536, 5374420, 8599072, 10748840, 17198144, 21497680, 42995360, 85990720]

約数ペア:

[(1, 85990720), (2, 42995360), (4, 21497680), (5, 17198144), (8, 10748840), (10, 8599072), (16, 5374420), (20, 4299536), (32, 2687210), (40, 2149768), (64, 1343605), (80, 1074884), (160, 537442), (320, 268721)]