1636280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 3877200

約数和(自身を除く): 2240920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2153, 4306, 8612, 10765, 17224, 21530, 40907, 43060, 81814, 86120, 163628, 204535, 327256, 409070, 818140, 1636280]

約数ペア:

[(1, 1636280), (2, 818140), (4, 409070), (5, 327256), (8, 204535), (10, 163628), (19, 86120), (20, 81814), (38, 43060), (40, 40907), (76, 21530), (95, 17224), (152, 10765), (190, 8612), (380, 4306), (760, 2153)]