1804409680

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{114493}}^1$

素因数の和:114703

約数の個数: 40

約数和(自身を含む): 4216585032

約数和(自身を除く): 2412175352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 114493, 228986, 457972, 572465, 915944, 1144930, 1831888, 2289860, 4579720, 9159440, 22555121, 45110242, 90220484, 112775605, 180440968, 225551210, 360881936, 451102420, 902204840, 1804409680]

約数ペア:

[(1, 1804409680), (2, 902204840), (4, 451102420), (5, 360881936), (8, 225551210), (10, 180440968), (16, 112775605), (20, 90220484), (40, 45110242), (80, 22555121), (197, 9159440), (394, 4579720), (788, 2289860), (985, 1831888), (1576, 1144930), (1970, 915944), (3152, 572465), (3940, 457972), (7880, 228986), (15760, 114493)]