25555620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4391}}^1$

素因数の和:4500

約数の個数: 48

約数和(自身を含む): 72309888

約数和(自身を除く): 46754268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 4391, 5820, 8782, 13173, 17564, 21955, 26346, 43910, 52692, 65865, 87820, 131730, 263460, 425927, 851854, 1277781, 1703708, 2129635, 2555562, 4259270, 5111124, 6388905, 8518540, 12777810, 25555620]

約数ペア:

[(1, 25555620), (2, 12777810), (3, 8518540), (4, 6388905), (5, 5111124), (6, 4259270), (10, 2555562), (12, 2129635), (15, 1703708), (20, 1277781), (30, 851854), (60, 425927), (97, 263460), (194, 131730), (291, 87820), (388, 65865), (485, 52692), (582, 43910), (970, 26346), (1164, 21955), (1455, 17564), (1940, 13173), (2910, 8782), (4391, 5820)]