2881280

素因数分解:

$2^8\times 5^1\times {\mathrm{2251}}^1$

素因数の和:2272

約数の個数: 36

約数和(自身を含む): 6904632

約数和(自身を除く): 4023352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2251, 4502, 9004, 11255, 18008, 22510, 36016, 45020, 72032, 90040, 144064, 180080, 288128, 360160, 576256, 720320, 1440640, 2881280]

約数ペア:

[(1, 2881280), (2, 1440640), (4, 720320), (5, 576256), (8, 360160), (10, 288128), (16, 180080), (20, 144064), (32, 90040), (40, 72032), (64, 45020), (80, 36016), (128, 22510), (160, 18008), (256, 11255), (320, 9004), (640, 4502), (1280, 2251)]