55774720

素因数分解:

$2^9\times 5^1\times {\mathrm{21787}}^1$

素因数の和:21810

約数の個数: 40

約数和(自身を含む): 133734744

約数和(自身を除く): 77960024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 21787, 43574, 87148, 108935, 174296, 217870, 348592, 435740, 697184, 871480, 1394368, 1742960, 2788736, 3485920, 5577472, 6971840, 11154944, 13943680, 27887360, 55774720]

約数ペア:

[(1, 55774720), (2, 27887360), (4, 13943680), (5, 11154944), (8, 6971840), (10, 5577472), (16, 3485920), (20, 2788736), (32, 1742960), (40, 1394368), (64, 871480), (80, 697184), (128, 435740), (160, 348592), (256, 217870), (320, 174296), (512, 108935), (640, 87148), (1280, 43574), (2560, 21787)]