9996640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 24182928

約数和(自身を除く): 14186288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1453, 1720, 2906, 3440, 5812, 6880, 7265, 11624, 14530, 23248, 29060, 46496, 58120, 62479, 116240, 124958, 232480, 249916, 312395, 499832, 624790, 999664, 1249580, 1999328, 2499160, 4998320, 9996640]

約数ペア:

[(1, 9996640), (2, 4998320), (4, 2499160), (5, 1999328), (8, 1249580), (10, 999664), (16, 624790), (20, 499832), (32, 312395), (40, 249916), (43, 232480), (80, 124958), (86, 116240), (160, 62479), (172, 58120), (215, 46496), (344, 29060), (430, 23248), (688, 14530), (860, 11624), (1376, 7265), (1453, 6880), (1720, 5812), (2906, 3440)]