27808000

素因数分解:

$2^8\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 76527360

約数和(自身を除く): 48719360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 79, 80, 88, 100, 110, 125, 128, 158, 160, 176, 200, 220, 250, 256, 275, 316, 320, 352, 395, 400, 440, 500, 550, 632, 640, 704, 790, 800, 869, 880, 1000, 1100, 1264, 1280, 1375, 1408, 1580, 1600, 1738, 1760, 1975, 2000, 2200, 2528, 2750, 2816, 3160, 3200, 3476, 3520, 3950, 4000, 4345, 4400, 5056, 5500, 6320, 6400, 6952, 7040, 7900, 8000, 8690, 8800, 9875, 10112, 11000, 12640, 13904, 14080, 15800, 16000, 17380, 17600, 19750, 20224, 21725, 22000, 25280, 27808, 31600, 32000, 34760, 35200, 39500, 43450, 44000, 50560, 55616, 63200, 69520, 70400, 79000, 86900, 88000, 101120, 108625, 111232, 126400, 139040, 158000, 173800, 176000, 217250, 222464, 252800, 278080, 316000, 347600, 352000, 434500, 505600, 556160, 632000, 695200, 869000, 1112320, 1264000, 1390400, 1738000, 2528000, 2780800, 3476000, 5561600, 6952000, 13904000, 27808000]

約数ペア:

[(1, 27808000), (2, 13904000), (4, 6952000), (5, 5561600), (8, 3476000), (10, 2780800), (11, 2528000), (16, 1738000), (20, 1390400), (22, 1264000), (25, 1112320), (32, 869000), (40, 695200), (44, 632000), (50, 556160), (55, 505600), (64, 434500), (79, 352000), (80, 347600), (88, 316000), (100, 278080), (110, 252800), (125, 222464), (128, 217250), (158, 176000), (160, 173800), (176, 158000), (200, 139040), (220, 126400), (250, 111232), (256, 108625), (275, 101120), (316, 88000), (320, 86900), (352, 79000), (395, 70400), (400, 69520), (440, 63200), (500, 55616), (550, 50560), (632, 44000), (640, 43450), (704, 39500), (790, 35200), (800, 34760), (869, 32000), (880, 31600), (1000, 27808), (1100, 25280), (1264, 22000), (1280, 21725), (1375, 20224), (1408, 19750), (1580, 17600), (1600, 17380), (1738, 16000), (1760, 15800), (1975, 14080), (2000, 13904), (2200, 12640), (2528, 11000), (2750, 10112), (2816, 9875), (3160, 8800), (3200, 8690), (3476, 8000), (3520, 7900), (3950, 7040), (4000, 6952), (4345, 6400), (4400, 6320), (5056, 5500)]