4475440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1357

約数の個数: 40

約数和(自身を含む): 10655568

約数和(自身を除く): 6180128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1301, 1720, 2602, 3440, 5204, 6505, 10408, 13010, 20816, 26020, 52040, 55943, 104080, 111886, 223772, 279715, 447544, 559430, 895088, 1118860, 2237720, 4475440]

約数ペア:

[(1, 4475440), (2, 2237720), (4, 1118860), (5, 895088), (8, 559430), (10, 447544), (16, 279715), (20, 223772), (40, 111886), (43, 104080), (80, 55943), (86, 52040), (172, 26020), (215, 20816), (344, 13010), (430, 10408), (688, 6505), (860, 5204), (1301, 3440), (1720, 2602)]