27008680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6961}}^1$

素因数の和:7069

約数の個数: 32

約数和(自身を含む): 61404840

約数和(自身を除く): 34396160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 6961, 13922, 27844, 34805, 55688, 69610, 139220, 278440, 675217, 1350434, 2700868, 3376085, 5401736, 6752170, 13504340, 27008680]

約数ペア:

[(1, 27008680), (2, 13504340), (4, 6752170), (5, 5401736), (8, 3376085), (10, 2700868), (20, 1350434), (40, 675217), (97, 278440), (194, 139220), (388, 69610), (485, 55688), (776, 34805), (970, 27844), (1940, 13922), (3880, 6961)]