161610760

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10177}}^1$

素因数の和:10585

約数の個数: 32

約数和(自身を含む): 364575960

約数和(自身を除く): 202965200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 10177, 15880, 20354, 40708, 50885, 81416, 101770, 203540, 407080, 4040269, 8080538, 16161076, 20201345, 32322152, 40402690, 80805380, 161610760]

約数ペア:

[(1, 161610760), (2, 80805380), (4, 40402690), (5, 32322152), (8, 20201345), (10, 16161076), (20, 8080538), (40, 4040269), (397, 407080), (794, 203540), (1588, 101770), (1985, 81416), (3176, 50885), (3970, 40708), (7940, 20354), (10177, 15880)]