1879160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2397640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 431, 436, 545, 862, 872, 1090, 1724, 2155, 2180, 3448, 4310, 4360, 8620, 17240, 46979, 93958, 187916, 234895, 375832, 469790, 939580, 1879160]

約数ペア:

[(1, 1879160), (2, 939580), (4, 469790), (5, 375832), (8, 234895), (10, 187916), (20, 93958), (40, 46979), (109, 17240), (218, 8620), (431, 4360), (436, 4310), (545, 3448), (862, 2180), (872, 2155), (1090, 1724)]