2087440

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 4921560

約数和(自身を除く): 2834120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 269, 388, 485, 538, 776, 970, 1076, 1345, 1552, 1940, 2152, 2690, 3880, 4304, 5380, 7760, 10760, 21520, 26093, 52186, 104372, 130465, 208744, 260930, 417488, 521860, 1043720, 2087440]

約数ペア:

[(1, 2087440), (2, 1043720), (4, 521860), (5, 417488), (8, 260930), (10, 208744), (16, 130465), (20, 104372), (40, 52186), (80, 26093), (97, 21520), (194, 10760), (269, 7760), (388, 5380), (485, 4304), (538, 3880), (776, 2690), (970, 2152), (1076, 1940), (1345, 1552)]