2438960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 5810640

約数和(自身を除く): 3371680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 709, 860, 1418, 1720, 2836, 3440, 3545, 5672, 7090, 11344, 14180, 28360, 30487, 56720, 60974, 121948, 152435, 243896, 304870, 487792, 609740, 1219480, 2438960]

約数ペア:

[(1, 2438960), (2, 1219480), (4, 609740), (5, 487792), (8, 304870), (10, 243896), (16, 152435), (20, 121948), (40, 60974), (43, 56720), (80, 30487), (86, 28360), (172, 14180), (215, 11344), (344, 7090), (430, 5672), (688, 3545), (709, 3440), (860, 2836), (1418, 1720)]