520055980

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{17209}}^1$

素因数の和:18729

約数の個数: 24

約数和(自身を含む): 1092903840

約数和(自身を除く): 572847860

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 6044, 7555, 15110, 17209, 30220, 34418, 68836, 86045, 172090, 344180, 26002799, 52005598, 104011196, 130013995, 260027990, 520055980]

約数ペア:

[(1, 520055980), (2, 260027990), (4, 130013995), (5, 104011196), (10, 52005598), (20, 26002799), (1511, 344180), (3022, 172090), (6044, 86045), (7555, 68836), (15110, 34418), (17209, 30220)]