2014720

素因数分解:

$2^9\times 5^1\times {\mathrm{787}}^1$

素因数の和:810

約数の個数: 40

約数和(自身を含む): 4836744

約数和(自身を除く): 2822024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 787, 1280, 1574, 2560, 3148, 3935, 6296, 7870, 12592, 15740, 25184, 31480, 50368, 62960, 100736, 125920, 201472, 251840, 402944, 503680, 1007360, 2014720]

約数ペア:

[(1, 2014720), (2, 1007360), (4, 503680), (5, 402944), (8, 251840), (10, 201472), (16, 125920), (20, 100736), (32, 62960), (40, 50368), (64, 31480), (80, 25184), (128, 15740), (160, 12592), (256, 7870), (320, 6296), (512, 3935), (640, 3148), (787, 2560), (1280, 1574)]