1226240

素因数分解:

$2^9\times 5^1\times {\mathrm{479}}^1$

素因数の和:502

約数の個数: 40

約数和(自身を含む): 2946240

約数和(自身を除く): 1720000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 479, 512, 640, 958, 1280, 1916, 2395, 2560, 3832, 4790, 7664, 9580, 15328, 19160, 30656, 38320, 61312, 76640, 122624, 153280, 245248, 306560, 613120, 1226240]

約数ペア:

[(1, 1226240), (2, 613120), (4, 306560), (5, 245248), (8, 153280), (10, 122624), (16, 76640), (20, 61312), (32, 38320), (40, 30656), (64, 19160), (80, 15328), (128, 9580), (160, 7664), (256, 4790), (320, 3832), (479, 2560), (512, 2395), (640, 1916), (958, 1280)]