7904000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 144

約数和(自身を含む): 22320480

約数和(自身を除く): 14416480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 125, 128, 130, 152, 160, 190, 200, 208, 247, 250, 256, 260, 304, 320, 325, 380, 400, 416, 475, 494, 500, 520, 608, 640, 650, 760, 800, 832, 950, 988, 1000, 1040, 1216, 1235, 1280, 1300, 1520, 1600, 1625, 1664, 1900, 1976, 2000, 2080, 2375, 2432, 2470, 2600, 3040, 3200, 3250, 3328, 3800, 3952, 4000, 4160, 4750, 4864, 4940, 5200, 6080, 6175, 6400, 6500, 7600, 7904, 8000, 8320, 9500, 9880, 10400, 12160, 12350, 13000, 15200, 15808, 16000, 16640, 19000, 19760, 20800, 24320, 24700, 26000, 30400, 30875, 31616, 32000, 38000, 39520, 41600, 49400, 52000, 60800, 61750, 63232, 76000, 79040, 83200, 98800, 104000, 121600, 123500, 152000, 158080, 197600, 208000, 247000, 304000, 316160, 395200, 416000, 494000, 608000, 790400, 988000, 1580800, 1976000, 3952000, 7904000]

約数ペア:

[(1, 7904000), (2, 3952000), (4, 1976000), (5, 1580800), (8, 988000), (10, 790400), (13, 608000), (16, 494000), (19, 416000), (20, 395200), (25, 316160), (26, 304000), (32, 247000), (38, 208000), (40, 197600), (50, 158080), (52, 152000), (64, 123500), (65, 121600), (76, 104000), (80, 98800), (95, 83200), (100, 79040), (104, 76000), (125, 63232), (128, 61750), (130, 60800), (152, 52000), (160, 49400), (190, 41600), (200, 39520), (208, 38000), (247, 32000), (250, 31616), (256, 30875), (260, 30400), (304, 26000), (320, 24700), (325, 24320), (380, 20800), (400, 19760), (416, 19000), (475, 16640), (494, 16000), (500, 15808), (520, 15200), (608, 13000), (640, 12350), (650, 12160), (760, 10400), (800, 9880), (832, 9500), (950, 8320), (988, 8000), (1000, 7904), (1040, 7600), (1216, 6500), (1235, 6400), (1280, 6175), (1300, 6080), (1520, 5200), (1600, 4940), (1625, 4864), (1664, 4750), (1900, 4160), (1976, 4000), (2000, 3952), (2080, 3800), (2375, 3328), (2432, 3250), (2470, 3200), (2600, 3040)]