8826880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{431}}^1$

素因数の和:460

約数の個数: 52

約数和(自身を含む): 21231072

約数和(自身を除く): 12404192

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, 2048, 2155, 2560, 3448, 4096, 4310, 5120, 6896, 8620, 10240, 13792, 17240, 20480, 27584, 34480, 55168, 68960, 110336, 137920, 220672, 275840, 441344, 551680, 882688, 1103360, 1765376, 2206720, 4413440, 8826880]

約数ペア:

[(1, 8826880), (2, 4413440), (4, 2206720), (5, 1765376), (8, 1103360), (10, 882688), (16, 551680), (20, 441344), (32, 275840), (40, 220672), (64, 137920), (80, 110336), (128, 68960), (160, 55168), (256, 34480), (320, 27584), (431, 20480), (512, 17240), (640, 13792), (862, 10240), (1024, 8620), (1280, 6896), (1724, 5120), (2048, 4310), (2155, 4096), (2560, 3448)]