51257920

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{467}}^1$

素因数の和:505

約数の個数: 112

約数和(自身を含む): 142646400

約数和(自身を除く): 91388480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 467, 490, 560, 686, 784, 934, 980, 1120, 1372, 1568, 1715, 1868, 1960, 2240, 2335, 2744, 3136, 3269, 3430, 3736, 3920, 4670, 5488, 6538, 6860, 7472, 7840, 9340, 10976, 13076, 13720, 14944, 15680, 16345, 18680, 21952, 22883, 26152, 27440, 29888, 32690, 37360, 45766, 52304, 54880, 65380, 74720, 91532, 104608, 109760, 114415, 130760, 149440, 160181, 183064, 209216, 228830, 261520, 320362, 366128, 457660, 523040, 640724, 732256, 800905, 915320, 1046080, 1281448, 1464512, 1601810, 1830640, 2562896, 3203620, 3661280, 5125792, 6407240, 7322560, 10251584, 12814480, 25628960, 51257920]

約数ペア:

[(1, 51257920), (2, 25628960), (4, 12814480), (5, 10251584), (7, 7322560), (8, 6407240), (10, 5125792), (14, 3661280), (16, 3203620), (20, 2562896), (28, 1830640), (32, 1601810), (35, 1464512), (40, 1281448), (49, 1046080), (56, 915320), (64, 800905), (70, 732256), (80, 640724), (98, 523040), (112, 457660), (140, 366128), (160, 320362), (196, 261520), (224, 228830), (245, 209216), (280, 183064), (320, 160181), (343, 149440), (392, 130760), (448, 114415), (467, 109760), (490, 104608), (560, 91532), (686, 74720), (784, 65380), (934, 54880), (980, 52304), (1120, 45766), (1372, 37360), (1568, 32690), (1715, 29888), (1868, 27440), (1960, 26152), (2240, 22883), (2335, 21952), (2744, 18680), (3136, 16345), (3269, 15680), (3430, 14944), (3736, 13720), (3920, 13076), (4670, 10976), (5488, 9340), (6538, 7840), (6860, 7472)]