10720040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{947}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 24230880

約数和(自身を除く): 13510840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 947, 1132, 1415, 1894, 2264, 2830, 3788, 4735, 5660, 7576, 9470, 11320, 18940, 37880, 268001, 536002, 1072004, 1340005, 2144008, 2680010, 5360020, 10720040]

約数ペア:

[(1, 10720040), (2, 5360020), (4, 2680010), (5, 2144008), (8, 1340005), (10, 1072004), (20, 536002), (40, 268001), (283, 37880), (566, 18940), (947, 11320), (1132, 9470), (1415, 7576), (1894, 5660), (2264, 4735), (2830, 3788)]