25990060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 57125376

約数和(自身を除く): 31135316

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 643, 860, 940, 1286, 2021, 2572, 3215, 4042, 6430, 8084, 10105, 12860, 20210, 27649, 30221, 40420, 55298, 60442, 110596, 120884, 138245, 151105, 276490, 302210, 552980, 604420, 1299503, 2599006, 5198012, 6497515, 12995030, 25990060]

約数ペア:

[(1, 25990060), (2, 12995030), (4, 6497515), (5, 5198012), (10, 2599006), (20, 1299503), (43, 604420), (47, 552980), (86, 302210), (94, 276490), (172, 151105), (188, 138245), (215, 120884), (235, 110596), (430, 60442), (470, 55298), (643, 40420), (860, 30221), (940, 27649), (1286, 20210), (2021, 12860), (2572, 10105), (3215, 8084), (4042, 6430)]