2009137040

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{374839}}^1$

素因数の和:374919

約数の個数: 40

約数和(自身を含む): 4740976320

約数和(自身を除く): 2731839280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 374839, 749678, 1499356, 1874195, 2998712, 3748390, 5997424, 7496780, 14993560, 25114213, 29987120, 50228426, 100456852, 125571065, 200913704, 251142130, 401827408, 502284260, 1004568520, 2009137040]

約数ペア:

[(1, 2009137040), (2, 1004568520), (4, 502284260), (5, 401827408), (8, 251142130), (10, 200913704), (16, 125571065), (20, 100456852), (40, 50228426), (67, 29987120), (80, 25114213), (134, 14993560), (268, 7496780), (335, 5997424), (536, 3748390), (670, 2998712), (1072, 1874195), (1340, 1499356), (2680, 749678), (5360, 374839)]