25521900520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1\times {\mathrm{17839}}^1$

素因数の和:18658

約数の個数: 64

約数和(自身を含む): 58726425600

約数和(自身を除く): 33204525080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 761, 940, 1522, 1880, 3044, 3805, 6088, 7610, 15220, 17839, 30440, 35678, 35767, 71356, 71534, 89195, 142712, 143068, 178390, 178835, 286136, 356780, 357670, 713560, 715340, 838433, 1430680, 1676866, 3353732, 4192165, 6707464, 8384330, 13575479, 16768660, 27150958, 33537320, 54301916, 67877395, 108603832, 135754790, 271509580, 543019160, 638047513, 1276095026, 2552190052, 3190237565, 5104380104, 6380475130, 12760950260, 25521900520]

約数ペア:

[(1, 25521900520), (2, 12760950260), (4, 6380475130), (5, 5104380104), (8, 3190237565), (10, 2552190052), (20, 1276095026), (40, 638047513), (47, 543019160), (94, 271509580), (188, 135754790), (235, 108603832), (376, 67877395), (470, 54301916), (761, 33537320), (940, 27150958), (1522, 16768660), (1880, 13575479), (3044, 8384330), (3805, 6707464), (6088, 4192165), (7610, 3353732), (15220, 1676866), (17839, 1430680), (30440, 838433), (35678, 715340), (35767, 713560), (71356, 357670), (71534, 356780), (89195, 286136), (142712, 178835), (143068, 178390)]