25264400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1321

約数の個数: 90

約数和(自身を含む): 70662330

約数和(自身を除く): 45397930

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1289, 1400, 1960, 2450, 2578, 2800, 3920, 4900, 5156, 6445, 9023, 9800, 10312, 12890, 18046, 19600, 20624, 25780, 32225, 36092, 45115, 51560, 63161, 64450, 72184, 90230, 103120, 126322, 128900, 144368, 180460, 225575, 252644, 257800, 315805, 360920, 451150, 505288, 515600, 631610, 721840, 902300, 1010576, 1263220, 1579025, 1804600, 2526440, 3158050, 3609200, 5052880, 6316100, 12632200, 25264400]

約数ペア:

[(1, 25264400), (2, 12632200), (4, 6316100), (5, 5052880), (7, 3609200), (8, 3158050), (10, 2526440), (14, 1804600), (16, 1579025), (20, 1263220), (25, 1010576), (28, 902300), (35, 721840), (40, 631610), (49, 515600), (50, 505288), (56, 451150), (70, 360920), (80, 315805), (98, 257800), (100, 252644), (112, 225575), (140, 180460), (175, 144368), (196, 128900), (200, 126322), (245, 103120), (280, 90230), (350, 72184), (392, 64450), (400, 63161), (490, 51560), (560, 45115), (700, 36092), (784, 32225), (980, 25780), (1225, 20624), (1289, 19600), (1400, 18046), (1960, 12890), (2450, 10312), (2578, 9800), (2800, 9023), (3920, 6445), (4900, 5156)]