66842840

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2753}}^1$

素因数の和:3371

約数の個数: 32

約数和(自身を含む): 150698880

約数和(自身を除く): 83856040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2753, 3035, 4856, 5506, 6070, 11012, 12140, 13765, 22024, 24280, 27530, 55060, 110120, 1671071, 3342142, 6684284, 8355355, 13368568, 16710710, 33421420, 66842840]

約数ペア:

[(1, 66842840), (2, 33421420), (4, 16710710), (5, 13368568), (8, 8355355), (10, 6684284), (20, 3342142), (40, 1671071), (607, 110120), (1214, 55060), (2428, 27530), (2753, 24280), (3035, 22024), (4856, 13765), (5506, 12140), (6070, 11012)]