85002020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4507}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 190850688

約数和(自身を除く): 105848668

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4507, 4715, 9014, 9430, 18028, 18860, 22535, 45070, 90140, 103661, 184787, 207322, 369574, 414644, 518305, 739148, 923935, 1036610, 1847870, 2073220, 3695740, 4250101, 8500202, 17000404, 21250505, 42501010, 85002020]

約数ペア:

[(1, 85002020), (2, 42501010), (4, 21250505), (5, 17000404), (10, 8500202), (20, 4250101), (23, 3695740), (41, 2073220), (46, 1847870), (82, 1036610), (92, 923935), (115, 739148), (164, 518305), (205, 414644), (230, 369574), (410, 207322), (460, 184787), (820, 103661), (943, 90140), (1886, 45070), (3772, 22535), (4507, 18860), (4715, 18028), (9014, 9430)]