65037580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{971}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 145496736

約数和(自身を除く): 80459156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 971, 985, 1942, 1970, 3349, 3884, 3940, 4855, 6698, 9710, 13396, 16507, 16745, 19420, 33014, 33490, 66028, 66980, 82535, 165070, 191287, 330140, 382574, 765148, 956435, 1912870, 3251879, 3825740, 6503758, 13007516, 16259395, 32518790, 65037580]

約数ペア:

[(1, 65037580), (2, 32518790), (4, 16259395), (5, 13007516), (10, 6503758), (17, 3825740), (20, 3251879), (34, 1912870), (68, 956435), (85, 765148), (170, 382574), (197, 330140), (340, 191287), (394, 165070), (788, 82535), (971, 66980), (985, 66028), (1942, 33490), (1970, 33014), (3349, 19420), (3884, 16745), (3940, 16507), (4855, 13396), (6698, 9710)]