2016290720

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{115613}}^1$

素因数の和:115737

約数の個数: 48

約数和(自身を含む): 4807230120

約数和(自身を除く): 2790939400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 115613, 231226, 462452, 578065, 924904, 1156130, 1849808, 2312260, 3699616, 4624520, 9249040, 12601817, 18498080, 25203634, 50407268, 63009085, 100814536, 126018170, 201629072, 252036340, 403258144, 504072680, 1008145360, 2016290720]

約数ペア:

[(1, 2016290720), (2, 1008145360), (4, 504072680), (5, 403258144), (8, 252036340), (10, 201629072), (16, 126018170), (20, 100814536), (32, 63009085), (40, 50407268), (80, 25203634), (109, 18498080), (160, 12601817), (218, 9249040), (436, 4624520), (545, 3699616), (872, 2312260), (1090, 1849808), (1744, 1156130), (2180, 924904), (3488, 578065), (4360, 462452), (8720, 231226), (17440, 115613)]