57280520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130183}}^1$

素因数の和:130205

約数の個数: 32

約数和(自身を含む): 140598720

約数和(自身を除く): 83318200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 130183, 260366, 520732, 650915, 1041464, 1301830, 1432013, 2603660, 2864026, 5207320, 5728052, 7160065, 11456104, 14320130, 28640260, 57280520]

約数ペア:

[(1, 57280520), (2, 28640260), (4, 14320130), (5, 11456104), (8, 7160065), (10, 5728052), (11, 5207320), (20, 2864026), (22, 2603660), (40, 1432013), (44, 1301830), (55, 1041464), (88, 650915), (110, 520732), (220, 260366), (440, 130183)]