2206720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{431}}^1$

素因数の和:456

約数の個数: 44

約数和(自身を含む): 5305824

約数和(自身を除く): 3099104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 431, 512, 640, 862, 1024, 1280, 1724, 2155, 2560, 3448, 4310, 5120, 6896, 8620, 13792, 17240, 27584, 34480, 55168, 68960, 110336, 137920, 220672, 275840, 441344, 551680, 1103360, 2206720]

約数ペア:

[(1, 2206720), (2, 1103360), (4, 551680), (5, 441344), (8, 275840), (10, 220672), (16, 137920), (20, 110336), (32, 68960), (40, 55168), (64, 34480), (80, 27584), (128, 17240), (160, 13792), (256, 8620), (320, 6896), (431, 5120), (512, 4310), (640, 3448), (862, 2560), (1024, 2155), (1280, 1724)]