61720640

素因数分解:

$2^6\times 5^1\times {\mathrm{192877}}^1$

素因数の和:192894

約数の個数: 28

約数和(自身を含む): 146973036

約数和(自身を除く): 85252396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 192877, 385754, 771508, 964385, 1543016, 1928770, 3086032, 3857540, 6172064, 7715080, 12344128, 15430160, 30860320, 61720640]

約数ペア:

[(1, 61720640), (2, 30860320), (4, 15430160), (5, 12344128), (8, 7715080), (10, 6172064), (16, 3857540), (20, 3086032), (32, 1928770), (40, 1543016), (64, 964385), (80, 771508), (160, 385754), (320, 192877)]