2659600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 6554020

約数和(自身を除く): 3894420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 109, 122, 200, 218, 244, 305, 400, 436, 488, 545, 610, 872, 976, 1090, 1220, 1525, 1744, 2180, 2440, 2725, 3050, 4360, 4880, 5450, 6100, 6649, 8720, 10900, 12200, 13298, 21800, 24400, 26596, 33245, 43600, 53192, 66490, 106384, 132980, 166225, 265960, 332450, 531920, 664900, 1329800, 2659600]

約数ペア:

[(1, 2659600), (2, 1329800), (4, 664900), (5, 531920), (8, 332450), (10, 265960), (16, 166225), (20, 132980), (25, 106384), (40, 66490), (50, 53192), (61, 43600), (80, 33245), (100, 26596), (109, 24400), (122, 21800), (200, 13298), (218, 12200), (244, 10900), (305, 8720), (400, 6649), (436, 6100), (488, 5450), (545, 4880), (610, 4360), (872, 3050), (976, 2725), (1090, 2440), (1220, 2180), (1525, 1744)]