26491000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 63180000

約数和(自身を除く): 36689000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 449, 472, 500, 590, 898, 1000, 1180, 1475, 1796, 2245, 2360, 2950, 3592, 4490, 5900, 7375, 8980, 11225, 11800, 14750, 17960, 22450, 26491, 29500, 44900, 52982, 56125, 59000, 89800, 105964, 112250, 132455, 211928, 224500, 264910, 449000, 529820, 662275, 1059640, 1324550, 2649100, 3311375, 5298200, 6622750, 13245500, 26491000]

約数ペア:

[(1, 26491000), (2, 13245500), (4, 6622750), (5, 5298200), (8, 3311375), (10, 2649100), (20, 1324550), (25, 1059640), (40, 662275), (50, 529820), (59, 449000), (100, 264910), (118, 224500), (125, 211928), (200, 132455), (236, 112250), (250, 105964), (295, 89800), (449, 59000), (472, 56125), (500, 52982), (590, 44900), (898, 29500), (1000, 26491), (1180, 22450), (1475, 17960), (1796, 14750), (2245, 11800), (2360, 11225), (2950, 8980), (3592, 7375), (4490, 5900)]