2012306840

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{161761}}^1$

素因数の和:162083

約数の個数: 32

約数和(自身を含む): 4542276960

約数和(自身を除く): 2529970120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 161761, 323522, 647044, 808805, 1294088, 1617610, 3235220, 6470440, 50307671, 100615342, 201230684, 251538355, 402461368, 503076710, 1006153420, 2012306840]

約数ペア:

[(1, 2012306840), (2, 1006153420), (4, 503076710), (5, 402461368), (8, 251538355), (10, 201230684), (20, 100615342), (40, 50307671), (311, 6470440), (622, 3235220), (1244, 1617610), (1555, 1294088), (2488, 808805), (3110, 647044), (6220, 323522), (12440, 161761)]