8782720

素因数分解:

$2^7\times 5^1\times {\mathrm{13723}}^1$

素因数の和:13742

約数の個数: 32

約数和(自身を含む): 20997720

約数和(自身を除く): 12215000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13723, 27446, 54892, 68615, 109784, 137230, 219568, 274460, 439136, 548920, 878272, 1097840, 1756544, 2195680, 4391360, 8782720]

約数ペア:

[(1, 8782720), (2, 4391360), (4, 2195680), (5, 1756544), (8, 1097840), (10, 878272), (16, 548920), (20, 439136), (32, 274460), (40, 219568), (64, 137230), (80, 109784), (128, 68615), (160, 54892), (320, 27446), (640, 13723)]