219345920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{42841}}^1$

素因数の和:42866

約数の個数: 44

約数和(自身を含む): 526185444

約数和(自身を除く): 306839524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 42841, 85682, 171364, 214205, 342728, 428410, 685456, 856820, 1370912, 1713640, 2741824, 3427280, 5483648, 6854560, 10967296, 13709120, 21934592, 27418240, 43869184, 54836480, 109672960, 219345920]

約数ペア:

[(1, 219345920), (2, 109672960), (4, 54836480), (5, 43869184), (8, 27418240), (10, 21934592), (16, 13709120), (20, 10967296), (32, 6854560), (40, 5483648), (64, 3427280), (80, 2741824), (128, 1713640), (160, 1370912), (256, 856820), (320, 685456), (512, 428410), (640, 342728), (1024, 214205), (1280, 171364), (2560, 85682), (5120, 42841)]