13030720

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1007

約数の個数: 56

約数和(自身を含む): 31784544

約数和(自身を除く): 18753824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 947, 1376, 1720, 1894, 2752, 3440, 3788, 4735, 6880, 7576, 9470, 13760, 15152, 18940, 30304, 37880, 40721, 60608, 75760, 81442, 151520, 162884, 203605, 303040, 325768, 407210, 651536, 814420, 1303072, 1628840, 2606144, 3257680, 6515360, 13030720]

約数ペア:

[(1, 13030720), (2, 6515360), (4, 3257680), (5, 2606144), (8, 1628840), (10, 1303072), (16, 814420), (20, 651536), (32, 407210), (40, 325768), (43, 303040), (64, 203605), (80, 162884), (86, 151520), (160, 81442), (172, 75760), (215, 60608), (320, 40721), (344, 37880), (430, 30304), (688, 18940), (860, 15152), (947, 13760), (1376, 9470), (1720, 7576), (1894, 6880), (2752, 4735), (3440, 3788)]