89251640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23003}}^1$

素因数の和:23111

約数の個数: 32

約数和(自身を含む): 202895280

約数和(自身を除く): 113643640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 23003, 46006, 92012, 115015, 184024, 230030, 460060, 920120, 2231291, 4462582, 8925164, 11156455, 17850328, 22312910, 44625820, 89251640]

約数ペア:

[(1, 89251640), (2, 44625820), (4, 22312910), (5, 17850328), (8, 11156455), (10, 8925164), (20, 4462582), (40, 2231291), (97, 920120), (194, 460060), (388, 230030), (485, 184024), (776, 115015), (970, 92012), (1940, 46006), (3880, 23003)]