2005600

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 5155920

約数和(自身を除く): 3150320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 109, 115, 160, 184, 200, 218, 230, 368, 400, 436, 460, 545, 575, 736, 800, 872, 920, 1090, 1150, 1744, 1840, 2180, 2300, 2507, 2725, 3488, 3680, 4360, 4600, 5014, 5450, 8720, 9200, 10028, 10900, 12535, 17440, 18400, 20056, 21800, 25070, 40112, 43600, 50140, 62675, 80224, 87200, 100280, 125350, 200560, 250700, 401120, 501400, 1002800, 2005600]

約数ペア:

[(1, 2005600), (2, 1002800), (4, 501400), (5, 401120), (8, 250700), (10, 200560), (16, 125350), (20, 100280), (23, 87200), (25, 80224), (32, 62675), (40, 50140), (46, 43600), (50, 40112), (80, 25070), (92, 21800), (100, 20056), (109, 18400), (115, 17440), (160, 12535), (184, 10900), (200, 10028), (218, 9200), (230, 8720), (368, 5450), (400, 5014), (436, 4600), (460, 4360), (545, 3680), (575, 3488), (736, 2725), (800, 2507), (872, 2300), (920, 2180), (1090, 1840), (1150, 1744)]