135384520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10883}}^1$

素因数の和:11205

約数の個数: 32

約数和(自身を含む): 305622720

約数和(自身を除く): 170238200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 10883, 12440, 21766, 43532, 54415, 87064, 108830, 217660, 435320, 3384613, 6769226, 13538452, 16923065, 27076904, 33846130, 67692260, 135384520]

約数ペア:

[(1, 135384520), (2, 67692260), (4, 33846130), (5, 27076904), (8, 16923065), (10, 13538452), (20, 6769226), (40, 3384613), (311, 435320), (622, 217660), (1244, 108830), (1555, 87064), (2488, 54415), (3110, 43532), (6220, 21766), (10883, 12440)]