55664240

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1367}}^1$

素因数の和:1889

約数の個数: 40

約数和(自身を含む): 129768480

約数和(自身を除く): 74104240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 1367, 2036, 2545, 2734, 4072, 5090, 5468, 6835, 8144, 10180, 10936, 13670, 20360, 21872, 27340, 40720, 54680, 109360, 695803, 1391606, 2783212, 3479015, 5566424, 6958030, 11132848, 13916060, 27832120, 55664240]

約数ペア:

[(1, 55664240), (2, 27832120), (4, 13916060), (5, 11132848), (8, 6958030), (10, 5566424), (16, 3479015), (20, 2783212), (40, 1391606), (80, 695803), (509, 109360), (1018, 54680), (1367, 40720), (2036, 27340), (2545, 21872), (2734, 20360), (4072, 13670), (5090, 10936), (5468, 10180), (6835, 8144)]