1645187370920

素因数分解:

$2^3\times 5^1\times {\mathrm{41129684273}}^1$

素因数の和:41129684284

約数の個数: 16

約数和(自身を含む): 3701671584660

約数和(自身を除く): 2056484213740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41129684273, 82259368546, 164518737092, 205648421365, 329037474184, 411296842730, 822593685460, 1645187370920]

約数ペア:

[(1, 1645187370920), (2, 822593685460), (4, 411296842730), (5, 329037474184), (8, 205648421365), (10, 164518737092), (20, 82259368546), (40, 41129684273)]