12561500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 32532864

約数和(自身を除く): 19971364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 97, 100, 125, 140, 148, 175, 185, 194, 250, 259, 350, 370, 388, 485, 500, 518, 679, 700, 740, 875, 925, 970, 1036, 1295, 1358, 1750, 1850, 1940, 2425, 2590, 2716, 3395, 3500, 3589, 3700, 4625, 4850, 5180, 6475, 6790, 7178, 9250, 9700, 12125, 12950, 13580, 14356, 16975, 17945, 18500, 24250, 25123, 25900, 32375, 33950, 35890, 48500, 50246, 64750, 67900, 71780, 84875, 89725, 100492, 125615, 129500, 169750, 179450, 251230, 339500, 358900, 448625, 502460, 628075, 897250, 1256150, 1794500, 2512300, 3140375, 6280750, 12561500]

約数ペア:

[(1, 12561500), (2, 6280750), (4, 3140375), (5, 2512300), (7, 1794500), (10, 1256150), (14, 897250), (20, 628075), (25, 502460), (28, 448625), (35, 358900), (37, 339500), (50, 251230), (70, 179450), (74, 169750), (97, 129500), (100, 125615), (125, 100492), (140, 89725), (148, 84875), (175, 71780), (185, 67900), (194, 64750), (250, 50246), (259, 48500), (350, 35890), (370, 33950), (388, 32375), (485, 25900), (500, 25123), (518, 24250), (679, 18500), (700, 17945), (740, 16975), (875, 14356), (925, 13580), (970, 12950), (1036, 12125), (1295, 9700), (1358, 9250), (1750, 7178), (1850, 6790), (1940, 6475), (2425, 5180), (2590, 4850), (2716, 4625), (3395, 3700), (3500, 3589)]