39520000

素因数分解:

$2^8\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 180

約数和(自身を含む): 111745480

約数和(自身を除く): 72225480

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, 625, 640, 650, 760, 800, 832, 950, 988, 1000, 1040, 1216, 1235, 1250, 1280, 1300, 1520, 1600, 1625, 1664, 1900, 1976, 2000, 2080, 2375, 2432, 2470, 2500, 2600, 3040, 3200, 3250, 3328, 3800, 3952, 4000, 4160, 4750, 4864, 4940, 5000, 5200, 6080, 6175, 6400, 6500, 7600, 7904, 8000, 8125, 8320, 9500, 9880, 10000, 10400, 11875, 12160, 12350, 13000, 15200, 15808, 16000, 16250, 16640, 19000, 19760, 20000, 20800, 23750, 24320, 24700, 26000, 30400, 30875, 31616, 32000, 32500, 38000, 39520, 40000, 41600, 47500, 49400, 52000, 60800, 61750, 63232, 65000, 76000, 79040, 80000, 83200, 95000, 98800, 104000, 121600, 123500, 130000, 152000, 154375, 158080, 160000, 190000, 197600, 208000, 247000, 260000, 304000, 308750, 316160, 380000, 395200, 416000, 494000, 520000, 608000, 617500, 760000, 790400, 988000, 1040000, 1235000, 1520000, 1580800, 1976000, 2080000, 2470000, 3040000, 3952000, 4940000, 7904000, 9880000, 19760000, 39520000]

約数ペア:

[(1, 39520000), (2, 19760000), (4, 9880000), (5, 7904000), (8, 4940000), (10, 3952000), (13, 3040000), (16, 2470000), (19, 2080000), (20, 1976000), (25, 1580800), (26, 1520000), (32, 1235000), (38, 1040000), (40, 988000), (50, 790400), (52, 760000), (64, 617500), (65, 608000), (76, 520000), (80, 494000), (95, 416000), (100, 395200), (104, 380000), (125, 316160), (128, 308750), (130, 304000), (152, 260000), (160, 247000), (190, 208000), (200, 197600), (208, 190000), (247, 160000), (250, 158080), (256, 154375), (260, 152000), (304, 130000), (320, 123500), (325, 121600), (380, 104000), (400, 98800), (416, 95000), (475, 83200), (494, 80000), (500, 79040), (520, 76000), (608, 65000), (625, 63232), (640, 61750), (650, 60800), (760, 52000), (800, 49400), (832, 47500), (950, 41600), (988, 40000), (1000, 39520), (1040, 38000), (1216, 32500), (1235, 32000), (1250, 31616), (1280, 30875), (1300, 30400), (1520, 26000), (1600, 24700), (1625, 24320), (1664, 23750), (1900, 20800), (1976, 20000), (2000, 19760), (2080, 19000), (2375, 16640), (2432, 16250), (2470, 16000), (2500, 15808), (2600, 15200), (3040, 13000), (3200, 12350), (3250, 12160), (3328, 11875), (3800, 10400), (3952, 10000), (4000, 9880), (4160, 9500), (4750, 8320), (4864, 8125), (4940, 8000), (5000, 7904), (5200, 7600), (6080, 6500), (6175, 6400)]