139576040

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4159}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 314496000

約数和(自身を除く): 174919960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4159, 4195, 6712, 8318, 8390, 16636, 16780, 20795, 33272, 33560, 41590, 83180, 166360, 3489401, 6978802, 13957604, 17447005, 27915208, 34894010, 69788020, 139576040]

約数ペア:

[(1, 139576040), (2, 69788020), (4, 34894010), (5, 27915208), (8, 17447005), (10, 13957604), (20, 6978802), (40, 3489401), (839, 166360), (1678, 83180), (3356, 41590), (4159, 33560), (4195, 33272), (6712, 20795), (8318, 16780), (8390, 16636)]