12225760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 48

約数和(自身を含む): 29571696

約数和(自身を除く): 17345936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1777, 3440, 3554, 6880, 7108, 8885, 14216, 17770, 28432, 35540, 56864, 71080, 76411, 142160, 152822, 284320, 305644, 382055, 611288, 764110, 1222576, 1528220, 2445152, 3056440, 6112880, 12225760]

約数ペア:

[(1, 12225760), (2, 6112880), (4, 3056440), (5, 2445152), (8, 1528220), (10, 1222576), (16, 764110), (20, 611288), (32, 382055), (40, 305644), (43, 284320), (80, 152822), (86, 142160), (160, 76411), (172, 71080), (215, 56864), (344, 35540), (430, 28432), (688, 17770), (860, 14216), (1376, 8885), (1720, 7108), (1777, 6880), (3440, 3554)]