26440240

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{947}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 61714800

約数和(自身を除く): 35274560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 947, 1396, 1745, 1894, 2792, 3490, 3788, 4735, 5584, 6980, 7576, 9470, 13960, 15152, 18940, 27920, 37880, 75760, 330503, 661006, 1322012, 1652515, 2644024, 3305030, 5288048, 6610060, 13220120, 26440240]

約数ペア:

[(1, 26440240), (2, 13220120), (4, 6610060), (5, 5288048), (8, 3305030), (10, 2644024), (16, 1652515), (20, 1322012), (40, 661006), (80, 330503), (349, 75760), (698, 37880), (947, 27920), (1396, 18940), (1745, 15152), (1894, 13960), (2792, 9470), (3490, 7576), (3788, 6980), (4735, 5584)]