2138517760

素因数分解:

$2^8\times 5^1\times {\mathrm{1670717}}^1$

素因数の和:1670738

約数の個数: 36

約数和(自身を含む): 5122421388

約数和(自身を除く): 2983903628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1670717, 3341434, 6682868, 8353585, 13365736, 16707170, 26731472, 33414340, 53462944, 66828680, 106925888, 133657360, 213851776, 267314720, 427703552, 534629440, 1069258880, 2138517760]

約数ペア:

[(1, 2138517760), (2, 1069258880), (4, 534629440), (5, 427703552), (8, 267314720), (10, 213851776), (16, 133657360), (20, 106925888), (32, 66828680), (40, 53462944), (64, 33414340), (80, 26731472), (128, 16707170), (160, 13365736), (256, 8353585), (320, 6682868), (640, 3341434), (1280, 1670717)]