2081652680

素因数分解:

$2^3\times 5^1\times {\mathrm{5147}}^1\times {\mathrm{10111}}^1$

素因数の和:15269

約数の個数: 32

約数和(自身を含む): 4685091840

約数和(自身を除く): 2603439160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5147, 10111, 10294, 20222, 20588, 25735, 40444, 41176, 50555, 51470, 80888, 101110, 102940, 202220, 205880, 404440, 52041317, 104082634, 208165268, 260206585, 416330536, 520413170, 1040826340, 2081652680]

約数ペア:

[(1, 2081652680), (2, 1040826340), (4, 520413170), (5, 416330536), (8, 260206585), (10, 208165268), (20, 104082634), (40, 52041317), (5147, 404440), (10111, 205880), (10294, 202220), (20222, 102940), (20588, 101110), (25735, 80888), (40444, 51470), (41176, 50555)]