40809704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4409}}^1$

素因数の和:4517

約数の個数: 32

約数和(自身を含む): 83349000

約数和(自身を除く): 42539296

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4409, 4628, 8818, 9256, 17636, 35272, 57317, 114634, 229268, 392401, 458536, 784802, 1569604, 3139208, 5101213, 10202426, 20404852, 40809704]

約数ペア:

[(1, 40809704), (2, 20404852), (4, 10202426), (8, 5101213), (13, 3139208), (26, 1569604), (52, 784802), (89, 458536), (104, 392401), (178, 229268), (356, 114634), (712, 57317), (1157, 35272), (2314, 17636), (4409, 9256), (4628, 8818)]