40958689280

素因数分解:

$2^{18}\times 5^1\times {\mathrm{31249}}^1$

素因数の和:31290

約数の個数: 76

約数和(自身を含む): 98303812500

約数和(自身を除く): 57345123220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 16384, 20480, 31249, 32768, 40960, 62498, 65536, 81920, 124996, 131072, 156245, 163840, 249992, 262144, 312490, 327680, 499984, 624980, 655360, 999968, 1249960, 1310720, 1999936, 2499920, 3999872, 4999840, 7999744, 9999680, 15999488, 19999360, 31998976, 39998720, 63997952, 79997440, 127995904, 159994880, 255991808, 319989760, 511983616, 639979520, 1023967232, 1279959040, 2047934464, 2559918080, 4095868928, 5119836160, 8191737856, 10239672320, 20479344640, 40958689280]

約数ペア:

[(1, 40958689280), (2, 20479344640), (4, 10239672320), (5, 8191737856), (8, 5119836160), (10, 4095868928), (16, 2559918080), (20, 2047934464), (32, 1279959040), (40, 1023967232), (64, 639979520), (80, 511983616), (128, 319989760), (160, 255991808), (256, 159994880), (320, 127995904), (512, 79997440), (640, 63997952), (1024, 39998720), (1280, 31998976), (2048, 19999360), (2560, 15999488), (4096, 9999680), (5120, 7999744), (8192, 4999840), (10240, 3999872), (16384, 2499920), (20480, 1999936), (31249, 1310720), (32768, 1249960), (40960, 999968), (62498, 655360), (65536, 624980), (81920, 499984), (124996, 327680), (131072, 312490), (156245, 262144), (163840, 249992)]