1980760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 4652640

約数和(自身を除く): 2671880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2153, 4306, 8612, 10765, 17224, 21530, 43060, 49519, 86120, 99038, 198076, 247595, 396152, 495190, 990380, 1980760]

約数ペア:

[(1, 1980760), (2, 990380), (4, 495190), (5, 396152), (8, 247595), (10, 198076), (20, 99038), (23, 86120), (40, 49519), (46, 43060), (92, 21530), (115, 17224), (184, 10765), (230, 8612), (460, 4306), (920, 2153)]