51866920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2698

約数の個数: 64

約数和(自身を含む): 135302400

約数和(自身を除く): 83435480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2609, 2840, 3976, 4970, 5218, 9940, 10436, 13045, 18263, 19880, 20872, 26090, 36526, 52180, 73052, 91315, 104360, 146104, 182630, 185239, 365260, 370478, 730520, 740956, 926195, 1296673, 1481912, 1852390, 2593346, 3704780, 5186692, 6483365, 7409560, 10373384, 12966730, 25933460, 51866920]

約数ペア:

[(1, 51866920), (2, 25933460), (4, 12966730), (5, 10373384), (7, 7409560), (8, 6483365), (10, 5186692), (14, 3704780), (20, 2593346), (28, 1852390), (35, 1481912), (40, 1296673), (56, 926195), (70, 740956), (71, 730520), (140, 370478), (142, 365260), (280, 185239), (284, 182630), (355, 146104), (497, 104360), (568, 91315), (710, 73052), (994, 52180), (1420, 36526), (1988, 26090), (2485, 20872), (2609, 19880), (2840, 18263), (3976, 13045), (4970, 10436), (5218, 9940)]