4450780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 9419760

約数和(自身を除く): 4968980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 1601, 2780, 3202, 6404, 8005, 16010, 32020, 222539, 445078, 890156, 1112695, 2225390, 4450780]

約数ペア:

[(1, 4450780), (2, 2225390), (4, 1112695), (5, 890156), (10, 445078), (20, 222539), (139, 32020), (278, 16010), (556, 8005), (695, 6404), (1390, 3202), (1601, 2780)]