84964120

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1987}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 191444400

約数和(自身を除く): 106480280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1987, 2138, 3974, 4276, 5345, 7948, 8552, 9935, 10690, 15896, 19870, 21380, 39740, 42760, 79480, 2124103, 4248206, 8496412, 10620515, 16992824, 21241030, 42482060, 84964120]

約数ペア:

[(1, 84964120), (2, 42482060), (4, 21241030), (5, 16992824), (8, 10620515), (10, 8496412), (20, 4248206), (40, 2124103), (1069, 79480), (1987, 42760), (2138, 39740), (3974, 21380), (4276, 19870), (5345, 15896), (7948, 10690), (8552, 9935)]