136785080

素因数分解:

$2^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{1987}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 308100240

約数和(自身を除く): 171315160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721, 1987, 3442, 3974, 6884, 7948, 8605, 9935, 13768, 15896, 17210, 19870, 34420, 39740, 68840, 79480, 3419627, 6839254, 13678508, 17098135, 27357016, 34196270, 68392540, 136785080]

約数ペア:

[(1, 136785080), (2, 68392540), (4, 34196270), (5, 27357016), (8, 17098135), (10, 13678508), (20, 6839254), (40, 3419627), (1721, 79480), (1987, 68840), (3442, 39740), (3974, 34420), (6884, 19870), (7948, 17210), (8605, 15896), (9935, 13768)]