169014220

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{4253}}^1$

素因数の和:6249

約数の個数: 24

約数和(自身を含む): 355191984

約数和(自身を除く): 186177764

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 4253, 7948, 8506, 9935, 17012, 19870, 21265, 39740, 42530, 85060, 8450711, 16901422, 33802844, 42253555, 84507110, 169014220]

約数ペア:

[(1, 169014220), (2, 84507110), (4, 42253555), (5, 33802844), (10, 16901422), (20, 8450711), (1987, 85060), (3974, 42530), (4253, 39740), (7948, 21265), (8506, 19870), (9935, 17012)]