51001600

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 108

約数和(自身を含む): 136169236

約数和(自身を除く): 85167636

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 613, 640, 650, 800, 832, 1040, 1226, 1280, 1300, 1600, 1664, 2080, 2452, 2600, 3065, 3200, 3328, 4160, 4904, 5200, 6130, 6400, 7969, 8320, 9808, 10400, 12260, 15325, 15938, 16640, 19616, 20800, 24520, 30650, 31876, 39232, 39845, 41600, 49040, 61300, 63752, 78464, 79690, 83200, 98080, 122600, 127504, 156928, 159380, 196160, 199225, 245200, 255008, 318760, 392320, 398450, 490400, 510016, 637520, 784640, 796900, 980800, 1020032, 1275040, 1593800, 1961600, 2040064, 2550080, 3187600, 3923200, 5100160, 6375200, 10200320, 12750400, 25500800, 51001600]

約数ペア:

[(1, 51001600), (2, 25500800), (4, 12750400), (5, 10200320), (8, 6375200), (10, 5100160), (13, 3923200), (16, 3187600), (20, 2550080), (25, 2040064), (26, 1961600), (32, 1593800), (40, 1275040), (50, 1020032), (52, 980800), (64, 796900), (65, 784640), (80, 637520), (100, 510016), (104, 490400), (128, 398450), (130, 392320), (160, 318760), (200, 255008), (208, 245200), (256, 199225), (260, 196160), (320, 159380), (325, 156928), (400, 127504), (416, 122600), (520, 98080), (613, 83200), (640, 79690), (650, 78464), (800, 63752), (832, 61300), (1040, 49040), (1226, 41600), (1280, 39845), (1300, 39232), (1600, 31876), (1664, 30650), (2080, 24520), (2452, 20800), (2600, 19616), (3065, 16640), (3200, 15938), (3328, 15325), (4160, 12260), (4904, 10400), (5200, 9808), (6130, 8320), (6400, 7969)]