28735670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 53555040

約数和(自身を除く): 24819370

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 643, 1090, 1286, 3215, 4469, 6430, 8938, 22345, 26363, 44690, 52726, 70087, 131815, 140174, 263630, 350435, 700870, 2873567, 5747134, 14367835, 28735670]

約数ペア:

[(1, 28735670), (2, 14367835), (5, 5747134), (10, 2873567), (41, 700870), (82, 350435), (109, 263630), (205, 140174), (218, 131815), (410, 70087), (545, 52726), (643, 44690), (1090, 26363), (1286, 22345), (3215, 8938), (4469, 6430)]