26475340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 31313300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 389, 410, 415, 778, 820, 830, 1556, 1660, 1945, 3403, 3890, 6806, 7780, 13612, 15949, 17015, 31898, 32287, 34030, 63796, 64574, 68060, 79745, 129148, 159490, 161435, 318980, 322870, 645740, 1323767, 2647534, 5295068, 6618835, 13237670, 26475340]

約数ペア:

[(1, 26475340), (2, 13237670), (4, 6618835), (5, 5295068), (10, 2647534), (20, 1323767), (41, 645740), (82, 322870), (83, 318980), (164, 161435), (166, 159490), (205, 129148), (332, 79745), (389, 68060), (410, 64574), (415, 63796), (778, 34030), (820, 32287), (830, 31898), (1556, 17015), (1660, 15949), (1945, 13612), (3403, 7780), (3890, 6806)]