47282020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 107304120

約数和(自身を除く): 60022100

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 109, 115, 164, 205, 218, 230, 410, 436, 460, 529, 545, 820, 943, 1058, 1090, 1886, 2116, 2180, 2507, 2645, 3772, 4469, 4715, 5014, 5290, 8938, 9430, 10028, 10580, 12535, 17876, 18860, 21689, 22345, 25070, 43378, 44690, 50140, 57661, 86756, 89380, 102787, 108445, 115322, 205574, 216890, 230644, 288305, 411148, 433780, 513935, 576610, 1027870, 1153220, 2055740, 2364101, 4728202, 9456404, 11820505, 23641010, 47282020]

約数ペア:

[(1, 47282020), (2, 23641010), (4, 11820505), (5, 9456404), (10, 4728202), (20, 2364101), (23, 2055740), (41, 1153220), (46, 1027870), (82, 576610), (92, 513935), (109, 433780), (115, 411148), (164, 288305), (205, 230644), (218, 216890), (230, 205574), (410, 115322), (436, 108445), (460, 102787), (529, 89380), (545, 86756), (820, 57661), (943, 50140), (1058, 44690), (1090, 43378), (1886, 25070), (2116, 22345), (2180, 21689), (2507, 18860), (2645, 17876), (3772, 12535), (4469, 10580), (4715, 10028), (5014, 9430), (5290, 8938)]