156984140

素因数分解:

$2^2\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{3761}}^1$

素因数の和:5857

約数の個数: 24

約数和(自身を含む): 329912352

約数和(自身を除く): 172928212

約数列:

[1, 2, 4, 5, 10, 20, 2087, 3761, 4174, 7522, 8348, 10435, 15044, 18805, 20870, 37610, 41740, 75220, 7849207, 15698414, 31396828, 39246035, 78492070, 156984140]

約数ペア:

[(1, 156984140), (2, 78492070), (4, 39246035), (5, 31396828), (10, 15698414), (20, 7849207), (2087, 75220), (3761, 41740), (4174, 37610), (7522, 20870), (8348, 18805), (10435, 15044)]