16540376080

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{804493}}^1$

素因数の和:804763

約数の個数: 40

約数和(自身を含む): 38606058072

約数和(自身を除く): 22065681992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 804493, 1608986, 3217972, 4022465, 6435944, 8044930, 12871888, 16089860, 32179720, 64359440, 206754701, 413509402, 827018804, 1033773505, 1654037608, 2067547010, 3308075216, 4135094020, 8270188040, 16540376080]

約数ペア:

[(1, 16540376080), (2, 8270188040), (4, 4135094020), (5, 3308075216), (8, 2067547010), (10, 1654037608), (16, 1033773505), (20, 827018804), (40, 413509402), (80, 206754701), (257, 64359440), (514, 32179720), (1028, 16089860), (1285, 12871888), (2056, 8044930), (2570, 6435944), (4112, 4022465), (5140, 3217972), (10280, 1608986), (20560, 804493)]