1266310040

素因数分解:

$2^3\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{16759}}^1$

素因数の和:18659

約数の個数: 32

約数和(自身を含む): 2850876000

約数和(自身を除く): 1584565960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1889, 3778, 7556, 9445, 15112, 16759, 18890, 33518, 37780, 67036, 75560, 83795, 134072, 167590, 335180, 670360, 31657751, 63315502, 126631004, 158288755, 253262008, 316577510, 633155020, 1266310040]

約数ペア:

[(1, 1266310040), (2, 633155020), (4, 316577510), (5, 253262008), (8, 158288755), (10, 126631004), (20, 63315502), (40, 31657751), (1889, 670360), (3778, 335180), (7556, 167590), (9445, 134072), (15112, 83795), (16759, 75560), (18890, 67036), (33518, 37780)]