161566120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212587}}^1$

素因数の和:212617

約数の個数: 32

約数和(自身を含む): 382658400

約数和(自身を除く): 221092280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 212587, 425174, 850348, 1062935, 1700696, 2125870, 4039153, 4251740, 8078306, 8503480, 16156612, 20195765, 32313224, 40391530, 80783060, 161566120]

約数ペア:

[(1, 161566120), (2, 80783060), (4, 40391530), (5, 32313224), (8, 20195765), (10, 16156612), (19, 8503480), (20, 8078306), (38, 4251740), (40, 4039153), (76, 2125870), (95, 1700696), (152, 1062935), (190, 850348), (380, 425174), (760, 212587)]