660550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1201}}^1$

素因数の和:1224

約数の個数: 24

約数和(自身を含む): 1341432

約数和(自身を除く): 680882

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1201, 2402, 6005, 12010, 13211, 26422, 30025, 60050, 66055, 132110, 330275, 660550]

約数ペア:

[(1, 660550), (2, 330275), (5, 132110), (10, 66055), (11, 60050), (22, 30025), (25, 26422), (50, 13211), (55, 12010), (110, 6005), (275, 2402), (550, 1201)]