20200640

素因数分解:

$2^6\times 5^1\times {\mathrm{63127}}^1$

素因数の和:63144

約数の個数: 28

約数和(自身を含む): 48103536

約数和(自身を除く): 27902896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63127, 126254, 252508, 315635, 505016, 631270, 1010032, 1262540, 2020064, 2525080, 4040128, 5050160, 10100320, 20200640]

約数ペア:

[(1, 20200640), (2, 10100320), (4, 5050160), (5, 4040128), (8, 2525080), (10, 2020064), (16, 1262540), (20, 1010032), (32, 631270), (40, 505016), (64, 315635), (80, 252508), (160, 126254), (320, 63127)]