1637120

素因数分解:

$2^8\times 5^1\times {\mathrm{1279}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 3924480

約数和(自身を除く): 2287360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1279, 1280, 2558, 5116, 6395, 10232, 12790, 20464, 25580, 40928, 51160, 81856, 102320, 163712, 204640, 327424, 409280, 818560, 1637120]

約数ペア:

[(1, 1637120), (2, 818560), (4, 409280), (5, 327424), (8, 204640), (10, 163712), (16, 102320), (20, 81856), (32, 51160), (40, 40928), (64, 25580), (80, 20464), (128, 12790), (160, 10232), (256, 6395), (320, 5116), (640, 2558), (1279, 1280)]