65008000

素因数分解:

$2^7\times 5^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 171849600

約数和(自身を除く): 106841600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 160, 170, 200, 239, 250, 272, 320, 340, 400, 425, 478, 500, 544, 640, 680, 800, 850, 956, 1000, 1088, 1195, 1360, 1600, 1700, 1912, 2000, 2125, 2176, 2390, 2720, 3200, 3400, 3824, 4000, 4063, 4250, 4780, 5440, 5975, 6800, 7648, 8000, 8126, 8500, 9560, 10880, 11950, 13600, 15296, 16000, 16252, 17000, 19120, 20315, 23900, 27200, 29875, 30592, 32504, 34000, 38240, 40630, 47800, 54400, 59750, 65008, 68000, 76480, 81260, 95600, 101575, 119500, 130016, 136000, 152960, 162520, 191200, 203150, 239000, 260032, 272000, 325040, 382400, 406300, 478000, 507875, 520064, 650080, 764800, 812600, 956000, 1015750, 1300160, 1625200, 1912000, 2031500, 2600320, 3250400, 3824000, 4063000, 6500800, 8126000, 13001600, 16252000, 32504000, 65008000]

約数ペア:

[(1, 65008000), (2, 32504000), (4, 16252000), (5, 13001600), (8, 8126000), (10, 6500800), (16, 4063000), (17, 3824000), (20, 3250400), (25, 2600320), (32, 2031500), (34, 1912000), (40, 1625200), (50, 1300160), (64, 1015750), (68, 956000), (80, 812600), (85, 764800), (100, 650080), (125, 520064), (128, 507875), (136, 478000), (160, 406300), (170, 382400), (200, 325040), (239, 272000), (250, 260032), (272, 239000), (320, 203150), (340, 191200), (400, 162520), (425, 152960), (478, 136000), (500, 130016), (544, 119500), (640, 101575), (680, 95600), (800, 81260), (850, 76480), (956, 68000), (1000, 65008), (1088, 59750), (1195, 54400), (1360, 47800), (1600, 40630), (1700, 38240), (1912, 34000), (2000, 32504), (2125, 30592), (2176, 29875), (2390, 27200), (2720, 23900), (3200, 20315), (3400, 19120), (3824, 17000), (4000, 16252), (4063, 16000), (4250, 15296), (4780, 13600), (5440, 11950), (5975, 10880), (6800, 9560), (7648, 8500), (8000, 8126)]