8469280

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 20490624

約数和(自身を除く): 12021344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1231, 1376, 1720, 2462, 3440, 4924, 6155, 6880, 9848, 12310, 19696, 24620, 39392, 49240, 52933, 98480, 105866, 196960, 211732, 264665, 423464, 529330, 846928, 1058660, 1693856, 2117320, 4234640, 8469280]

約数ペア:

[(1, 8469280), (2, 4234640), (4, 2117320), (5, 1693856), (8, 1058660), (10, 846928), (16, 529330), (20, 423464), (32, 264665), (40, 211732), (43, 196960), (80, 105866), (86, 98480), (160, 52933), (172, 49240), (215, 39392), (344, 24620), (430, 19696), (688, 12310), (860, 9848), (1231, 6880), (1376, 6155), (1720, 4924), (2462, 3440)]