39340160

素因数分解:

$2^7\times 5^1\times {\mathrm{61469}}^1$

素因数の和:61488

約数の個数: 32

約数和(自身を含む): 94049100

約数和(自身を除く): 54708940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 61469, 122938, 245876, 307345, 491752, 614690, 983504, 1229380, 1967008, 2458760, 3934016, 4917520, 7868032, 9835040, 19670080, 39340160]

約数ペア:

[(1, 39340160), (2, 19670080), (4, 9835040), (5, 7868032), (8, 4917520), (10, 3934016), (16, 2458760), (20, 1967008), (32, 1229380), (40, 983504), (64, 614690), (80, 491752), (128, 307345), (160, 245876), (320, 122938), (640, 61469)]