814771040

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 1964196864

約数和(自身を除く): 1149425824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 127, 160, 202, 254, 397, 404, 505, 508, 635, 794, 808, 1010, 1016, 1270, 1588, 1616, 1985, 2020, 2032, 2540, 3176, 3232, 3970, 4040, 4064, 5080, 6352, 7940, 8080, 10160, 12704, 12827, 15880, 16160, 20320, 25654, 31760, 40097, 50419, 51308, 63520, 64135, 80194, 100838, 102616, 128270, 160388, 200485, 201676, 205232, 252095, 256540, 320776, 400970, 403352, 410464, 504190, 513080, 641552, 801940, 806704, 1008380, 1026160, 1283104, 1603880, 1613408, 2016760, 2052320, 3207760, 4033520, 5092319, 6415520, 8067040, 10184638, 20369276, 25461595, 40738552, 50923190, 81477104, 101846380, 162954208, 203692760, 407385520, 814771040]

約数ペア:

[(1, 814771040), (2, 407385520), (4, 203692760), (5, 162954208), (8, 101846380), (10, 81477104), (16, 50923190), (20, 40738552), (32, 25461595), (40, 20369276), (80, 10184638), (101, 8067040), (127, 6415520), (160, 5092319), (202, 4033520), (254, 3207760), (397, 2052320), (404, 2016760), (505, 1613408), (508, 1603880), (635, 1283104), (794, 1026160), (808, 1008380), (1010, 806704), (1016, 801940), (1270, 641552), (1588, 513080), (1616, 504190), (1985, 410464), (2020, 403352), (2032, 400970), (2540, 320776), (3176, 256540), (3232, 252095), (3970, 205232), (4040, 201676), (4064, 200485), (5080, 160388), (6352, 128270), (7940, 102616), (8080, 100838), (10160, 80194), (12704, 64135), (12827, 63520), (15880, 51308), (16160, 50419), (20320, 40097), (25654, 31760)]