7222540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27779}}^1$

素因数の和:27801

約数の個数: 24

約数和(自身を含む): 16334640

約数和(自身を除く): 9112100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 27779, 55558, 111116, 138895, 277790, 361127, 555580, 722254, 1444508, 1805635, 3611270, 7222540]

約数ペア:

[(1, 7222540), (2, 3611270), (4, 1805635), (5, 1444508), (10, 722254), (13, 555580), (20, 361127), (26, 277790), (52, 138895), (65, 111116), (130, 55558), (260, 27779)]