28541440

素因数分解:

$2^9\times 5^1\times {\mathrm{11149}}^1$

素因数の和:11172

約数の個数: 40

約数和(自身を含む): 68438700

約数和(自身を除く): 39897260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11149, 22298, 44596, 55745, 89192, 111490, 178384, 222980, 356768, 445960, 713536, 891920, 1427072, 1783840, 2854144, 3567680, 5708288, 7135360, 14270720, 28541440]

約数ペア:

[(1, 28541440), (2, 14270720), (4, 7135360), (5, 5708288), (8, 3567680), (10, 2854144), (16, 1783840), (20, 1427072), (32, 891920), (40, 713536), (64, 445960), (80, 356768), (128, 222980), (160, 178384), (256, 111490), (320, 89192), (512, 55745), (640, 44596), (1280, 22298), (2560, 11149)]