205121360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2796

約数の個数: 80

約数和(自身を含む): 509967360

約数和(自身を除く): 304846000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 41, 46, 80, 82, 92, 115, 164, 184, 205, 230, 328, 368, 410, 460, 656, 820, 920, 943, 1640, 1840, 1886, 2719, 3280, 3772, 4715, 5438, 7544, 9430, 10876, 13595, 15088, 18860, 21752, 27190, 37720, 43504, 54380, 62537, 75440, 108760, 111479, 125074, 217520, 222958, 250148, 312685, 445916, 500296, 557395, 625370, 891832, 1000592, 1114790, 1250740, 1783664, 2229580, 2501480, 2564017, 4459160, 5002960, 5128034, 8918320, 10256068, 12820085, 20512136, 25640170, 41024272, 51280340, 102560680, 205121360]

約数ペア:

[(1, 205121360), (2, 102560680), (4, 51280340), (5, 41024272), (8, 25640170), (10, 20512136), (16, 12820085), (20, 10256068), (23, 8918320), (40, 5128034), (41, 5002960), (46, 4459160), (80, 2564017), (82, 2501480), (92, 2229580), (115, 1783664), (164, 1250740), (184, 1114790), (205, 1000592), (230, 891832), (328, 625370), (368, 557395), (410, 500296), (460, 445916), (656, 312685), (820, 250148), (920, 222958), (943, 217520), (1640, 125074), (1840, 111479), (1886, 108760), (2719, 75440), (3280, 62537), (3772, 54380), (4715, 43504), (5438, 37720), (7544, 27190), (9430, 21752), (10876, 18860), (13595, 15088)]