3257680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 7758432

約数和(自身を除く): 4500752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 947, 1720, 1894, 3440, 3788, 4735, 7576, 9470, 15152, 18940, 37880, 40721, 75760, 81442, 162884, 203605, 325768, 407210, 651536, 814420, 1628840, 3257680]

約数ペア:

[(1, 3257680), (2, 1628840), (4, 814420), (5, 651536), (8, 407210), (10, 325768), (16, 203605), (20, 162884), (40, 81442), (43, 75760), (80, 40721), (86, 37880), (172, 18940), (215, 15152), (344, 9470), (430, 7576), (688, 4735), (860, 3788), (947, 3440), (1720, 1894)]