28550980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14717}}^1$

素因数の和:14823

約数の個数: 24

約数和(自身を含む): 60579288

約数和(自身を除く): 32028308

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14717, 29434, 58868, 73585, 147170, 294340, 1427549, 2855098, 5710196, 7137745, 14275490, 28550980]

約数ペア:

[(1, 28550980), (2, 14275490), (4, 7137745), (5, 5710196), (10, 2855098), (20, 1427549), (97, 294340), (194, 147170), (388, 73585), (485, 58868), (970, 29434), (1940, 14717)]