16680040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32077}}^1$

素因数の和:32101

約数の個数: 32

約数和(自身を含む): 40418280

約数和(自身を除く): 23738240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 32077, 64154, 128308, 160385, 256616, 320770, 417001, 641540, 834002, 1283080, 1668004, 2085005, 3336008, 4170010, 8340020, 16680040]

約数ペア:

[(1, 16680040), (2, 8340020), (4, 4170010), (5, 3336008), (8, 2085005), (10, 1668004), (13, 1283080), (20, 834002), (26, 641540), (40, 417001), (52, 320770), (65, 256616), (104, 160385), (130, 128308), (260, 64154), (520, 32077)]