10187480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 23034240

約数和(自身を除く): 12846760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 991, 1028, 1285, 1982, 2056, 2570, 3964, 4955, 5140, 7928, 9910, 10280, 19820, 39640, 254687, 509374, 1018748, 1273435, 2037496, 2546870, 5093740, 10187480]

約数ペア:

[(1, 10187480), (2, 5093740), (4, 2546870), (5, 2037496), (8, 1273435), (10, 1018748), (20, 509374), (40, 254687), (257, 39640), (514, 19820), (991, 10280), (1028, 9910), (1285, 7928), (1982, 5140), (2056, 4955), (2570, 3964)]