56041720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2819}}^1$

素因数の和:2908

約数の個数: 64

約数和(自身を含む): 146188800

約数和(自身を除く): 90147080

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, 2819, 2840, 3976, 4970, 5638, 9940, 11276, 14095, 19733, 19880, 22552, 28190, 39466, 56380, 78932, 98665, 112760, 157864, 197330, 200149, 394660, 400298, 789320, 800596, 1000745, 1401043, 1601192, 2001490, 2802086, 4002980, 5604172, 7005215, 8005960, 11208344, 14010430, 28020860, 56041720]

約数ペア:

[(1, 56041720), (2, 28020860), (4, 14010430), (5, 11208344), (7, 8005960), (8, 7005215), (10, 5604172), (14, 4002980), (20, 2802086), (28, 2001490), (35, 1601192), (40, 1401043), (56, 1000745), (70, 800596), (71, 789320), (140, 400298), (142, 394660), (280, 200149), (284, 197330), (355, 157864), (497, 112760), (568, 98665), (710, 78932), (994, 56380), (1420, 39466), (1988, 28190), (2485, 22552), (2819, 19880), (2840, 19733), (3976, 14095), (4970, 11276), (5638, 9940)]